22641513564 has 24 divisors (see below), whose sum is σ = 52834094208. Its totient is φ = 7546614640.

The previous prime is 22641513541. The next prime is 22641513589. The reversal of 22641513564 is 46531514622.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 120769 + ... + 244679.

It is an arithmetic number, because the mean of its divisors is an integer number (2201420592).

Almost surely, 2^22641513564 is an apocalyptic number.

It is an amenable number.

22641513564 is an abundant number, since it is smaller than the sum of its proper divisors (30192580644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22641513564 is a wasteful number, since it uses less digits than its factorization.

22641513564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139145 (or 139143 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The spelling of 22641513564 in words is "twenty-two billion, six hundred forty-one million, five hundred thirteen thousand, five hundred sixty-four".