622872856 has 16 divisors (see below), whose sum is σ = 1170973800. Its totient is φ = 310613184.

The previous prime is 622872841. The next prime is 622872857. The reversal of 622872856 is 658278226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622872857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99685 + ... + 105748.

Almost surely, 2^622872856 is an apocalyptic number.

It is an amenable number.

622872856 is a deficient number, since it is larger than the sum of its proper divisors (548100944).

622872856 is a wasteful number, since it uses less digits than its factorization.

622872856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205818 (or 205814 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 622872856 is about 24957.4208603373. The cubic root of 622872856 is about 854.0169068313.

The spelling of 622872856 in words is "six hundred twenty-two million, eight hundred seventy-two thousand, eight hundred fifty-six".