FILE NO. 333-59997
                                                                  RULE 424(B)(3)
 
                             PROSPECTUS SUPPLEMENT
       (TO THE PROSPECTUS AND PROSPECTUS SUPPLEMENT DATED JULY 30, 1998)
                                     PROSPECTUS NUMBER: 1822
 
 
                           MERRILL LYNCH & CO., INC.
                          MEDIUM-TERM NOTES, SERIES B
                   DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
 
                           CALLABLE FIXED RATE NOTES
 
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PRINCIPAL AMOUNT:        $35,000,000
 
 
CUSIP NUMBER:            59018SW91
 
 
INTEREST RATE:           6.17000%
 
 
ORIGINAL ISSUE DATE:     January 25, 1999
 
 
STATED MATURITY DATE:    January 26, 2009
 
 
INTEREST PAYMENT DATES:  25th day of each month commencing February 25, 1999, through and including the
                         Stated Maturity Date, subject to the following business day convention.
 
 
REPAYMENT AT THE OPTION
OF THE HOLDER:           The Notes cannot be repaid prior to the Stated Maturity Date.
 
 
REDEMPTION AT THE OPTION The Notes may be redeemed prior to the Stated Maturity Date, see "Other
OF THE COMPANY:          Provisions".
 
 
INITIAL REDEMPTION DATE: January 25, 2002
 
 
OTHER PROVISIONS         The Notes are subject to redemption at the option of ML&Co., in whole, semi-
                         annually on each January 25 and July 25 commencing January 25, 2002, at a
                         redemption price equal to 100% of the principal amount of the Notes upon at least
                         30 days prior notice.
 
 
FORM                     The Notes are being issued in fully registered book-entry form.
 
 
TRUSTEE:                 The Chase Manhattan Bank
 
 
DATED:                   January 12, 1999
 
 
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