22510564 has 6 divisors (see below), whose sum is σ = 39393494. Its totient is φ = 11255280.

The previous prime is 22510559. The next prime is 22510591. The reversal of 22510564 is 46501522.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 1276900 = 4608^2 + 1130^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813817 + ... + 2813824.

Almost surely, 2^22510564 is an apocalyptic number.

It is an amenable number.

22510564 is a deficient number, since it is larger than the sum of its proper divisors (16882930).

22510564 is a wasteful number, since it uses less digits than its factorization.

22510564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627645 (or 5627643 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22510564 is about 4744.5299029514. The cubic root of 22510564 is about 282.3549844385.

The spelling of 22510564 in words is "twenty-two million, five hundred ten thousand, five hundred sixty-four".