22559791464 has 112 divisors (see below), whose sum is σ = 72480589920. Its totient is φ = 6445643040.

The previous prime is 22559791439. The next prime is 22559791481. The reversal of 22559791464 is 46419795522.

It is a happy number.

22559791464 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 97 + 91 + 464 = 666.

It is a super-3 number, since 3×22559791464³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22559791464.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 235482 + ... + 317129.

Almost surely, 2^22559791464 is an apocalyptic number.

22559791464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22559791464 is an abundant number, since it is smaller than the sum of its proper divisors (49920798456).

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

22559791464 is an equidigital number, since it uses as much as digits as its factorization.

22559791464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552642 (or 552623 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 22559791464 in words is "twenty-two billion, five hundred fifty-nine million, seven hundred ninety-one thousand, four hundred sixty-four".