22921098957 has 32 divisors (see below), whose sum is σ = 35089151360. Its totient is φ = 14776421760.

The previous prime is 22921098953. The next prime is 22921099037. The reversal of 22921098957 is 75989012922.

It is not a de Polignac number, because 22921098957 - 2² = 22921098953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22921098953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92457 + ... + 233217.

It is an arithmetic number, because the mean of its divisors is an integer number (1096535980).

Almost surely, 2^22921098957 is an apocalyptic number.

22921098957 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22921098957 is a deficient number, since it is larger than the sum of its proper divisors (12168052403).

22921098957 is a wasteful number, since it uses less digits than its factorization.

22921098957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140970 (or 140964 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 22921098957 in words is "twenty-two billion, nine hundred twenty-one million, ninety-eight thousand, nine hundred fifty-seven".