22140722736 has 100 divisors (see below), whose sum is σ = 69907326984. Its totient is φ = 6709305600.

The previous prime is 22140722717. The next prime is 22140722741. The reversal of 22140722736 is 63722704122.

It is a happy number.

22140722736 is a `hidden beast` number, since 2 + 21 + 407 + 227 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22140722736.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 762285 + ... + 790796.

Almost surely, 2^22140722736 is an apocalyptic number.

It is an amenable number.

22140722736 is an abundant number, since it is smaller than the sum of its proper divisors (47766604248).

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

22140722736 is a wasteful number, since it uses less digits than its factorization.

22140722736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553112 (or 1553097 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 22140722736 in words is "twenty-two billion, one hundred forty million, seven hundred twenty-two thousand, seven hundred thirty-six".