22727727504 has 60 divisors (see below), whose sum is σ = 63624210156. Its totient is φ = 7573748736.

The previous prime is 22727727481. The next prime is 22727727523. The reversal of 22727727504 is 40572772722.

22727727504 is a `hidden beast` number, since 2 + 2 + 72 + 7 + 72 + 7 + 504 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5351215104 + 17376512400 = 73152^2 + 131820^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22727727504.

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, 531364 + ... + 572540.

Almost surely, 2^22727727504 is an apocalyptic number.

22727727504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22727727504 is an abundant number, since it is smaller than the sum of its proper divisors (40896482652).

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

22727727504 is a wasteful number, since it uses less digits than its factorization.

22727727504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45024 (or 45015 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 45.

The spelling of 22727727504 in words is "twenty-two billion, seven hundred twenty-seven million, seven hundred twenty-seven thousand, five hundred four".