22064656152 has 64 divisors (see below), whose sum is σ = 68772960000. Its totient is φ = 5731079040.

The previous prime is 22064656147. The next prime is 22064656169. The reversal of 22064656152 is 25165646022.

It is a super-2 number, since 2×22064656152² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22064656152.

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, 5968027 + ... + 5971722.

It is an arithmetic number, because the mean of its divisors is an integer number (1074577500).

Almost surely, 2^22064656152 is an apocalyptic number.

22064656152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22064656152 is an abundant number, since it is smaller than the sum of its proper divisors (46708303848).

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

22064656152 is a wasteful number, since it uses less digits than its factorization.

22064656152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11939776 (or 11939772 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 22064656152 in words is "twenty-two billion, sixty-four million, six hundred fifty-six thousand, one hundred fifty-two".