22975618645 has 8 divisors (see below), whose sum is σ = 31509419904. Its totient is φ = 15754709904.

The previous prime is 22975618637. The next prime is 22975618651. The reversal of 22975618645 is 54681657922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22975618645 - 2³ = 22975618637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328223089 + ... + 328223158.

It is an arithmetic number, because the mean of its divisors is an integer number (3938677488).

Almost surely, 2^22975618645 is an apocalyptic number.

It is an amenable number.

22975618645 is a deficient number, since it is larger than the sum of its proper divisors (8533801259).

22975618645 is an equidigital number, since it uses as much as digits as its factorization.

22975618645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656446259.

The product of its digits is 7257600, while the sum is 55.

The spelling of 22975618645 in words is "twenty-two billion, nine hundred seventy-five million, six hundred eighteen thousand, six hundred forty-five".