22640714404 has 144 divisors (see below), whose sum is σ = 51000473664. Its totient is φ = 8695814400.

The previous prime is 22640714377. The next prime is 22640714413. The reversal of 22640714404 is 40441704622.

It is a self number, because there is not a number n which added to its sum of digits gives 22640714404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71421654 + ... + 71421970.

It is an arithmetic number, because the mean of its divisors is an integer number (354169956).

Almost surely, 2^22640714404 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 22640714404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25500236832).

22640714404 is an abundant number, since it is smaller than the sum of its proper divisors (28359759260).

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

22640714404 is a wasteful number, since it uses less digits than its factorization.

22640714404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 22640714404 in words is "twenty-two billion, six hundred forty million, seven hundred fourteen thousand, four hundred four".