22737274859556 has 36 divisors (see below), whose sum is σ = 57475003699932. Its totient is φ = 7579061872704.

The previous prime is 22737274859527. The next prime is 22737274859573. The reversal of 22737274859556 is 65595847273722.

It is a happy number.

22737274859556 is a `hidden beast` number, since 2 + 2 + 7 + 3 + 7 + 2 + 7 + 485 + 95 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4961488953600 + 17775785905956 = 2227440^2 + 4216134^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9284106 + ... + 11474718.

Almost surely, 2^{22737274859556} is an apocalyptic number.

It is an amenable number.

22737274859556 is an abundant number, since it is smaller than the sum of its proper divisors (34737728840376).

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

22737274859556 is a wasteful number, since it uses less digits than its factorization.

22737274859556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478940 (or 2478935 counting only the distinct ones).

The product of its digits is 1778112000, while the sum is 72.

The spelling of 22737274859556 in words is "twenty-two trillion, seven hundred thirty-seven billion, two hundred seventy-four million, eight hundred fifty-nine thousand, five hundred fifty-six".