22875131531 has 24 divisors (see below), whose sum is σ = 27728593920. Its totient is φ = 18792799872.

The previous prime is 22875131519. The next prime is 22875131557. The reversal of 22875131531 is 13513157822.

It is a happy number.

It is not a de Polignac number, because 22875131531 - 2⁶ = 22875131467 is a prime.

It is a super-2 number, since 2×22875131531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22875131561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135926 + ... + 253428.

It is an arithmetic number, because the mean of its divisors is an integer number (1155358080).

Almost surely, 2^22875131531 is an apocalyptic number.

22875131531 is a deficient number, since it is larger than the sum of its proper divisors (4853462389).

22875131531 is a wasteful number, since it uses less digits than its factorization.

22875131531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117683 (or 117676 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The spelling of 22875131531 in words is "twenty-two billion, eight hundred seventy-five million, one hundred thirty-one thousand, five hundred thirty-one".