22156302025872 has 100 divisors (see below), whose sum is σ = 73287732745216. Its totient is φ = 6330372004800.

The previous prime is 22156302025853. The next prime is 22156302025877. The reversal of 22156302025872 is 27852020365122.

22156302025872 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 63 + 0 + 2 + 0 + 2 + 587 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22156302025877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1221127504 + ... + 1221145647.

Almost surely, 2^{22156302025872} is an apocalyptic number.

It is an amenable number.

22156302025872 is an abundant number, since it is smaller than the sum of its proper divisors (51131430719344).

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

22156302025872 is a wasteful number, since it uses less digits than its factorization.

22156302025872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442273178 (or 2442273163 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 22156302025872 in words is "twenty-two trillion, one hundred fifty-six billion, three hundred two million, twenty-five thousand, eight hundred seventy-two".