22556131165602 has 24 divisors (see below), whose sum is σ = 49420736827020. Its totient is φ = 7434230496000.

The previous prime is 22556131165583. The next prime is 22556131165613. The reversal of 22556131165602 is 20656113165522.

22556131165602 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 6 + 1 + 31 + 1 + 6 + 5 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22458699161721 + 97432003881 = 4739061^2 + 312141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7039989399 + ... + 7039992602.

Almost surely, 2^{22556131165602} is an apocalyptic number.

22556131165602 is an abundant number, since it is smaller than the sum of its proper divisors (26864605661418).

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

22556131165602 is a wasteful number, since it uses less digits than its factorization.

22556131165602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14079982098 (or 14079982095 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 22556131165602 in words is "twenty-two trillion, five hundred fifty-six billion, one hundred thirty-one million, one hundred sixty-five thousand, six hundred two".