622873820 has 12 divisors (see below), whose sum is σ = 1308035064. Its totient is φ = 249149520.

The previous prime is 622873813. The next prime is 622873837. The reversal of 622873820 is 28378226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15571826 + ... + 15571865.

It is an arithmetic number, because the mean of its divisors is an integer number (109002922).

Almost surely, 2^622873820 is an apocalyptic number.

It is an amenable number.

622873820 is an abundant number, since it is smaller than the sum of its proper divisors (685161244).

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

622873820 is a wasteful number, since it uses less digits than its factorization.

622873820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31143700 (or 31143698 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 622873820 is about 24957.4401732229. The cubic root of 622873820 is about 854.0173474091.

The spelling of 622873820 in words is "six hundred twenty-two million, eight hundred seventy-three thousand, eight hundred twenty".