22831625 has 8 divisors (see below), whose sum is σ = 28494024. Its totient is φ = 18265200.

The previous prime is 22831621. The next prime is 22831631. The reversal of 22831625 is 52613822.

It can be written as a sum of positive squares in 4 ways, for example, as 430336 + 22401289 = 656^2 + 4733^2 .

It is not a de Polignac number, because 22831625 - 2² = 22831621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22831621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91202 + ... + 91451.

It is an arithmetic number, because the mean of its divisors is an integer number (3561753).

Almost surely, 2^22831625 is an apocalyptic number.

22831625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22831625 is a deficient number, since it is larger than the sum of its proper divisors (5662399).

22831625 is an equidigital number, since it uses as much as digits as its factorization.

22831625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182668 (or 182658 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 22831625 is about 4778.2449706979. The cubic root of 22831625 is about 283.6910322715.

The spelling of 22831625 in words is "twenty-two million, eight hundred thirty-one thousand, six hundred twenty-five".