622660856 has 32 divisors (see below), whose sum is σ = 1271322000. Its totient is φ = 284772096.

The previous prime is 622660817. The next prime is 622660877. The reversal of 622660856 is 658066226.

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, 66221 + ... + 75036.

Almost surely, 2^622660856 is an apocalyptic number.

It is an amenable number.

622660856 is an abundant number, since it is smaller than the sum of its proper divisors (648661144).

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

622660856 is a wasteful number, since it uses less digits than its factorization.

622660856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141311 (or 141307 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 622660856 is about 24953.1732651380. The cubic root of 622660856 is about 853.9200052313.

The spelling of 622660856 in words is "six hundred twenty-two million, six hundred sixty thousand, eight hundred fifty-six".