22725660520431 has 12 divisors (see below), whose sum is σ = 35810131729320. Its totient is φ = 13773127588080.

The previous prime is 22725660520421. The next prime is 22725660520457. The reversal of 22725660520431 is 13402506652722.

22725660520431 is a `hidden beast` number, since 2 + 2 + 7 + 2 + 5 + 6 + 605 + 2 + 0 + 4 + 31 = 666.

It is not a de Polignac number, because 22725660520431 - 2¹⁷ = 22725660389359 is a prime.

It is a super-2 number, since 2×22725660520431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725660520421) 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, 114776063136 + ... + 114776063333.

It is an arithmetic number, because the mean of its divisors is an integer number (2984177644110).

Almost surely, 2^{22725660520431} is an apocalyptic number.

22725660520431 is a deficient number, since it is larger than the sum of its proper divisors (13084471208889).

22725660520431 is a wasteful number, since it uses less digits than its factorization.

22725660520431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229552126486 (or 229552126483 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 22725660520431 in words is "twenty-two trillion, seven hundred twenty-five billion, six hundred sixty million, five hundred twenty thousand, four hundred thirty-one".