22564443043625 has 24 divisors (see below), whose sum is σ = 32758045322184. Its totient is φ = 15472760940000.

The previous prime is 22564443043613. The next prime is 22564443043631. The reversal of 22564443043625 is 52634034446522.

It can be written as a sum of positive squares in 4 ways, for example, as 3193626333184 + 19370816710441 = 1787072^2 + 4401229^2 .

It is not a de Polignac number, because 22564443043625 - 2²⁸ = 22564174608169 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1841989226 + ... + 1842001475.

It is an arithmetic number, because the mean of its divisors is an integer number (1364918555091).

Almost surely, 2^{22564443043625} is an apocalyptic number.

22564443043625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22564443043625 is a deficient number, since it is larger than the sum of its proper divisors (10193602278559).

22564443043625 is an equidigital number, since it uses as much as digits as its factorization.

22564443043625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683990730 (or 3683990713 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 50.

The spelling of 22564443043625 in words is "twenty-two trillion, five hundred sixty-four billion, four hundred forty-three million, forty-three thousand, six hundred twenty-five".