22604600644 has 6 divisors (see below), whose sum is σ = 39558051134. Its totient is φ = 11302300320.

The previous prime is 22604600617. The next prime is 22604600657. The reversal of 22604600644 is 44600640622.

It can be written as a sum of positive squares in only one way, i.e., 21983992900 + 620607744 = 148270^2 + 24912^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825575077 + ... + 2825575084.

Almost surely, 2^22604600644 is an apocalyptic number.

It is an amenable number.

22604600644 is a deficient number, since it is larger than the sum of its proper divisors (16953450490).

22604600644 is a wasteful number, since it uses less digits than its factorization.

22604600644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651150165 (or 5651150163 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 22604600644 in words is "twenty-two billion, six hundred four million, six hundred thousand, six hundred forty-four".