2555861922 has 24 divisors (see below), whose sum is σ = 5538664560. Its totient is φ = 851805720.

The previous prime is 2555861899. The next prime is 2555861941. The reversal of 2555861922 is 2291685552.

2555861922 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 8 + 619 + 22 = 666.

2555861922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155829 + ... + 171447.

It is an arithmetic number, because the mean of its divisors is an integer number (230777690).

Almost surely, 2^2555861922 is an apocalyptic number.

2555861922 is an abundant number, since it is smaller than the sum of its proper divisors (2982802638).

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

2555861922 is a wasteful number, since it uses less digits than its factorization.

2555861922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24718 (or 24715 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The square root of 2555861922 is about 50555.5330503002. The cubic root of 2555861922 is about 1367.2432750585.

The spelling of 2555861922 in words is "two billion, five hundred fifty-five million, eight hundred sixty-one thousand, nine hundred twenty-two".