622505868 has 24 divisors (see below), whose sum is σ = 1454797680. Its totient is φ = 207175680.

The previous prime is 622505839. The next prime is 622505899. The reversal of 622505868 is 868505226.

622505868 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 7 ways as a sum of consecutive naturals, for example, 32773 + ... + 48156.

It is an arithmetic number, because the mean of its divisors is an integer number (60616570).

Almost surely, 2^622505868 is an apocalyptic number.

It is an amenable number.

622505868 is an abundant number, since it is smaller than the sum of its proper divisors (832291812).

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

622505868 is a wasteful number, since it uses less digits than its factorization.

622505868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81577 (or 81575 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 622505868 is about 24950.0674948987. The cubic root of 622505868 is about 853.8491489297.

The spelling of 622505868 in words is "six hundred twenty-two million, five hundred five thousand, eight hundred sixty-eight".