22064725764 has 81 divisors (see below), whose sum is σ = 58909946823. Its totient is φ = 6962460624.

The previous prime is 22064725759. The next prime is 22064725789. The reversal of 22064725764 is 46752746022.

It is a happy number.

The square root of 22064725764 is 148542.

It is a perfect power (a square), and thus also a powerful number.

22064725764 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 4 + 72 + 576 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16933137 + ... + 16934439.

Almost surely, 2^22064725764 is an apocalyptic number.

22064725764 is the 148542-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22064725764

22064725764 is an abundant number, since it is smaller than the sum of its proper divisors (36845221059).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22064725764 is a wasteful number, since it uses less digits than its factorization.

22064725764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 22064725764 in words is "twenty-two billion, sixty-four million, seven hundred twenty-five thousand, seven hundred sixty-four".