22525311525 has 24 divisors (see below), whose sum is σ = 39432547584. Its totient is φ = 11306822400.

The previous prime is 22525311521. The next prime is 22525311553. The reversal of 22525311525 is 52511352522.

It is not a de Polignac number, because 22525311525 - 2² = 22525311521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525311521) 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, 8832181 + ... + 8834730.

It is an arithmetic number, because the mean of its divisors is an integer number (1643022816).

Almost surely, 2^22525311525 is an apocalyptic number.

22525311525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22525311525 is a deficient number, since it is larger than the sum of its proper divisors (16907236059).

22525311525 is a wasteful number, since it uses less digits than its factorization.

22525311525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666941 (or 17666936 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The spelling of 22525311525 in words is "twenty-two billion, five hundred twenty-five million, three hundred eleven thousand, five hundred twenty-five".