22297929768 has 96 divisors (see below), whose sum is σ = 61620717600. Its totient is φ = 7281615744.

The previous prime is 22297929737. The next prime is 22297929781. The reversal of 22297929768 is 86792979222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2816071 + ... + 2823977.

It is an arithmetic number, because the mean of its divisors is an integer number (641882475).

Almost surely, 2^22297929768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22297929768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30810358800).

22297929768 is an abundant number, since it is smaller than the sum of its proper divisors (39322787832).

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

22297929768 is a wasteful number, since it uses less digits than its factorization.

22297929768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711 (or 8704 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 22297929768 in words is "twenty-two billion, two hundred ninety-seven million, nine hundred twenty-nine thousand, seven hundred sixty-eight".