22604247252 has 36 divisors (see below), whose sum is σ = 57149732640. Its totient is φ = 7533269712.

The previous prime is 22604247109. The next prime is 22604247299. The reversal of 22604247252 is 25274240622.

22604247252 is a `hidden beast` number, since 2 + 2 + 604 + 2 + 47 + 2 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132649 + ... + 250607.

Almost surely, 2^22604247252 is an apocalyptic number.

It is an amenable number.

22604247252 is an abundant number, since it is smaller than the sum of its proper divisors (34545485388).

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

22604247252 is a wasteful number, since it uses less digits than its factorization.

22604247252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123292 (or 123287 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Adding to 22604247252 its reverse (25274240622), we get a palindrome (47878487874).

The spelling of 22604247252 in words is "twenty-two billion, six hundred four million, two hundred forty-seven thousand, two hundred fifty-two".