622501868 has 6 divisors (see below), whose sum is σ = 1089378276. Its totient is φ = 311250932.

The previous prime is 622501853. The next prime is 622501931. The reversal of 622501868 is 868105226.

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 as a sum of consecutive naturals, namely, 77812730 + ... + 77812737.

It is an arithmetic number, because the mean of its divisors is an integer number (181563046).

Almost surely, 2^622501868 is an apocalyptic number.

It is an amenable number.

622501868 is a deficient number, since it is larger than the sum of its proper divisors (466876408).

622501868 is a wasteful number, since it uses less digits than its factorization.

622501868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155625471 (or 155625469 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 622501868 is about 24949.9873346661. The cubic root of 622501868 is about 853.8473200827.

The spelling of 622501868 in words is "six hundred twenty-two million, five hundred one thousand, eight hundred sixty-eight".