22685436825 has 12 divisors (see below), whose sum is σ = 37506589008. Its totient is φ = 12098899600.

The previous prime is 22685436793. The next prime is 22685436869. The reversal of 22685436825 is 52863458622.

It is not a de Polignac number, because 22685436825 - 2⁵ = 22685436793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151236171 + ... + 151236320.

It is an arithmetic number, because the mean of its divisors is an integer number (3125549084).

Almost surely, 2^22685436825 is an apocalyptic number.

22685436825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22685436825 is a deficient number, since it is larger than the sum of its proper divisors (14821152183).

22685436825 is a wasteful number, since it uses less digits than its factorization.

22685436825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302472504 (or 302472499 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The spelling of 22685436825 in words is "twenty-two billion, six hundred eighty-five million, four hundred thirty-six thousand, eight hundred twenty-five".