622458872656 has 40 divisors (see below), whose sum is σ = 1243255872960. Its totient is φ = 301763172096.

The previous prime is 622458872627. The next prime is 622458872669. The reversal of 622458872656 is 656278854226.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 622458872594 and 622458872603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4447420 + ... + 4585243.

It is an arithmetic number, because the mean of its divisors is an integer number (31081396824).

Almost surely, 2^622458872656 is an apocalyptic number.

It is an amenable number.

622458872656 is a deficient number, since it is larger than the sum of its proper divisors (620797000304).

622458872656 is a wasteful number, since it uses less digits than its factorization.

622458872656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032803 (or 9032797 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 61.

The spelling of 622458872656 in words is "six hundred twenty-two billion, four hundred fifty-eight million, eight hundred seventy-two thousand, six hundred fifty-six".