22072152025557 has 12 divisors (see below), whose sum is σ = 31883694097164. Its totient is φ = 14713984912320.

The previous prime is 22072152025499. The next prime is 22072152025577. The reversal of 22072152025557 is 75552025127022.

It is a happy number.

22072152025557 is a `hidden beast` number, since 2 + 2 + 0 + 7 + 21 + 52 + 0 + 25 + 557 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14419039212081 + 7653112813476 = 3797241^2 + 2766426^2 .

It is not a de Polignac number, because 22072152025557 - 2⁶ = 22072152025493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22072152025577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65080194 + ... + 65418467.

It is an arithmetic number, because the mean of its divisors is an integer number (2656974508097).

Almost surely, 2^{22072152025557} is an apocalyptic number.

It is an amenable number.

22072152025557 is a deficient number, since it is larger than the sum of its proper divisors (9811542071607).

22072152025557 is a wasteful number, since it uses less digits than its factorization.

22072152025557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130517460 (or 130517457 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 45.

The spelling of 22072152025557 in words is "twenty-two trillion, seventy-two billion, one hundred fifty-two million, twenty-five thousand, five hundred fifty-seven".