98991022 has 16 divisors (see below), whose sum is σ = 161561232. Its totient is φ = 45216000.

The previous prime is 98990999. The next prime is 98991037. The reversal of 98991022 is 22019989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17104 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (10097577).

Almost surely, 2^98991022 is an apocalyptic number.

98991022 is a deficient number, since it is larger than the sum of its proper divisors (62570210).

98991022 is a wasteful number, since it uses less digits than its factorization.

98991022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39363.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 98991022 is about 9949.4231993619. The cubic root of 98991022 is about 462.5925163839.

The spelling of 98991022 in words is "ninety-eight million, nine hundred ninety-one thousand, twenty-two".