22625644 has 6 divisors (see below), whose sum is σ = 39594884. Its totient is φ = 11312820.

The previous prime is 22625633. The next prime is 22625663. The reversal of 22625644 is 44652622.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828202 + ... + 2828209.

Almost surely, 2^22625644 is an apocalyptic number.

It is an amenable number.

22625644 is a deficient number, since it is larger than the sum of its proper divisors (16969240).

22625644 is a wasteful number, since it uses less digits than its factorization.

22625644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656415 (or 5656413 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 22625644 is about 4756.6420929055. The cubic root of 22625644 is about 282.8353247901.

The spelling of 22625644 in words is "twenty-two million, six hundred twenty-five thousand, six hundred forty-four".