22625156 has 12 divisors (see below), whose sum is σ = 39683868. Its totient is φ = 11286912.

The previous prime is 22625149. The next prime is 22625179. The reversal of 22625156 is 65152622.

It can be written as a sum of positive squares in 2 ways, for example, as 10956100 + 11669056 = 3310^2 + 3416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4361 + ... + 8016.

It is an arithmetic number, because the mean of its divisors is an integer number (3306989).

Almost surely, 2^22625156 is an apocalyptic number.

It is an amenable number.

22625156 is a deficient number, since it is larger than the sum of its proper divisors (17058712).

22625156 is a wasteful number, since it uses less digits than its factorization.

22625156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838 (or 12836 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 22625156 is about 4756.5907959378. The cubic root of 22625156 is about 282.8332913359.

Adding to 22625156 its reverse (65152622), we get a palindrome (87777778).

The spelling of 22625156 in words is "twenty-two million, six hundred twenty-five thousand, one hundred fifty-six".