22643813304 has 64 divisors (see below), whose sum is σ = 71885126400. Its totient is φ = 6469660512.

The previous prime is 22643813303. The next prime is 22643813359. The reversal of 22643813304 is 40331834622.

22643813304 is a `hidden beast` number, since 2 + 2 + 643 + 8 + 1 + 3 + 3 + 0 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22643813303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7486522 + ... + 7489545.

It is an arithmetic number, because the mean of its divisors is an integer number (1123205100).

Almost surely, 2^22643813304 is an apocalyptic number.

22643813304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22643813304 is an abundant number, since it is smaller than the sum of its proper divisors (49241313096).

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

22643813304 is a wasteful number, since it uses less digits than its factorization.

22643813304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976089 (or 14976079 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 22643813304 in words is "twenty-two billion, six hundred forty-three million, eight hundred thirteen thousand, three hundred four".