22561330233565 has 32 divisors (see below), whose sum is σ = 28228325216256. Its totient is φ = 17295214110720.

The previous prime is 22561330233553. The next prime is 22561330233623. The reversal of 22561330233565 is 56533203316522.

It is a de Polignac number, because none of the positive numbers 2^k-22561330233565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144307917 + ... + 144464173.

It is an arithmetic number, because the mean of its divisors is an integer number (882135163008).

Almost surely, 2^{22561330233565} is an apocalyptic number.

It is an amenable number.

22561330233565 is a deficient number, since it is larger than the sum of its proper divisors (5666994982691).

22561330233565 is a wasteful number, since it uses less digits than its factorization.

22561330233565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169029.

The product of its (nonzero) digits is 2916000, while the sum is 46.

The spelling of 22561330233565 in words is "twenty-two trillion, five hundred sixty-one billion, three hundred thirty million, two hundred thirty-three thousand, five hundred sixty-five".