22156275564 has 108 divisors (see below), whose sum is σ = 57099042000. Its totient is φ = 7243693056.

The previous prime is 22156275527. The next prime is 22156275569. The reversal of 22156275564 is 46557265122.

22156275564 is a `hidden beast` number, since 2 + 2 + 15 + 6 + 2 + 75 + 564 = 666.

It is not an unprimeable number, because it can be changed into a prime (22156275569) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50469657 + ... + 50470095.

Almost surely, 2^22156275564 is an apocalyptic number.

It is an amenable number.

22156275564 is an abundant number, since it is smaller than the sum of its proper divisors (34942766436).

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

22156275564 is a wasteful number, since it uses less digits than its factorization.

22156275564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 690 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 22156275564 in words is "twenty-two billion, one hundred fifty-six million, two hundred seventy-five thousand, five hundred sixty-four".