22252974912 has 112 divisors (see below), whose sum is σ = 74765326720. Its totient is φ = 6357989376.

The previous prime is 22252974901. The next prime is 22252974943. The reversal of 22252974912 is 21947925222.

22252974912 is a `hidden beast` number, since 2 + 22 + 52 + 97 + 491 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907753 + ... + 931944.

It is an arithmetic number, because the mean of its divisors is an integer number (667547560).

Almost surely, 2^22252974912 is an apocalyptic number.

It is an amenable number.

22252974912 is an abundant number, since it is smaller than the sum of its proper divisors (52512351808).

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

22252974912 is a wasteful number, since it uses less digits than its factorization.

22252974912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839725 (or 1839709 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 22252974912 in words is "twenty-two billion, two hundred fifty-two million, nine hundred seventy-four thousand, nine hundred twelve".