22204765451 has 18 divisors (see below), whose sum is σ = 24456898956. Its totient is φ = 19993405000.

The previous prime is 22204765447. The next prime is 22204765459. The reversal of 22204765451 is 15456740222.

It is not a de Polignac number, because 22204765451 - 2² = 22204765447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22204765459) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 88465076 + ... + 88465326.

Almost surely, 2^22204765451 is an apocalyptic number.

22204765451 is a deficient number, since it is larger than the sum of its proper divisors (2252133505).

22204765451 is an frugal number, since it uses more digits than its factorization.

22204765451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 22204765451 in words is "twenty-two billion, two hundred four million, seven hundred sixty-five thousand, four hundred fifty-one".