22668797312 has 32 divisors (see below), whose sum is σ = 51611995920. Its totient is φ = 9715198464.

The previous prime is 22668797303. The next prime is 22668797317. The reversal of 22668797312 is 21379786622.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22668797317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12649103 + ... + 12650894.

Almost surely, 2^22668797312 is an apocalyptic number.

It is an amenable number.

22668797312 is an abundant number, since it is smaller than the sum of its proper divisors (28943198608).

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

22668797312 is an equidigital number, since it uses as much as digits as its factorization.

22668797312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300018 (or 25300006 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The spelling of 22668797312 in words is "twenty-two billion, six hundred sixty-eight million, seven hundred ninety-seven thousand, three hundred twelve".