22625897 has 12 divisors (see below), whose sum is σ = 26398980. Its totient is φ = 19335456.

The previous prime is 22625879. The next prime is 22625909. The reversal of 22625897 is 79852622.

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 15808576 = 2611^2 + 3976^2 .

It is not a de Polignac number, because 22625897 - 2²⁴ = 5848681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22625857) 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, 26879 + ... + 27707.

It is an arithmetic number, because the mean of its divisors is an integer number (2199915).

Almost surely, 2^22625897 is an apocalyptic number.

It is an amenable number.

22625897 is a deficient number, since it is larger than the sum of its proper divisors (3773083).

22625897 is an equidigital number, since it uses as much as digits as its factorization.

22625897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1393 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 22625897 is about 4756.6686872222. The cubic root of 22625897 is about 282.8363790079.

The spelling of 22625897 in words is "twenty-two million, six hundred twenty-five thousand, eight hundred ninety-seven".