22257494806128 has 40 divisors (see below), whose sum is σ = 57694768996368. Its totient is φ = 7393843548672.

The previous prime is 22257494806111. The next prime is 22257494806133. The reversal of 22257494806128 is 82160849475222.

It is a happy number.

22257494806128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791279125 + ... + 791307252.

Almost surely, 2^{22257494806128} is an apocalyptic number.

It is an amenable number.

22257494806128 is an abundant number, since it is smaller than the sum of its proper divisors (35437274190240).

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

22257494806128 is a wasteful number, since it uses less digits than its factorization.

22257494806128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582586681 (or 1582586675 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 22257494806128 in words is "twenty-two trillion, two hundred fifty-seven billion, four hundred ninety-four million, eight hundred six thousand, one hundred twenty-eight".