22310722825 has 12 divisors (see below), whose sum is σ = 27910125468. Its totient is φ = 17690624000.

The previous prime is 22310722823. The next prime is 22310722829. The reversal of 22310722825 is 52822701322.

It can be written as a sum of positive squares in 6 ways, for example, as 965220624 + 21345502201 = 31068^2 + 146101^2 .

It is not a de Polignac number, because 22310722825 - 2¹ = 22310722823 is a prime.

It is a super-3 number, since 3×22310722825³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22310722823) 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, 3945976 + ... + 3951625.

It is an arithmetic number, because the mean of its divisors is an integer number (2325843789).

Almost surely, 2^22310722825 is an apocalyptic number.

22310722825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22310722825 is a deficient number, since it is larger than the sum of its proper divisors (5599402643).

22310722825 is a wasteful number, since it uses less digits than its factorization.

22310722825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897724 (or 7897719 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 22310722825 in words is "twenty-two billion, three hundred ten million, seven hundred twenty-two thousand, eight hundred twenty-five".