622963990 has 64 divisors (see below), whose sum is σ = 1251065088. Its totient is φ = 221443200.

The previous prime is 622963967. The next prime is 622964009. The reversal of 622963990 is 99369226.

It is a self number, because there is not a number n which added to its sum of digits gives 622963990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1333737 + ... + 1334203.

It is an arithmetic number, because the mean of its divisors is an integer number (19547892).

Almost surely, 2^622963990 is an apocalyptic number.

622963990 is an abundant number, since it is smaller than the sum of its proper divisors (628101098).

622963990 is a wasteful number, since it uses less digits than its factorization.

622963990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 622963990 is about 24959.2465831804. The cubic root of 622963990 is about 854.0585558776.

The spelling of 622963990 in words is "six hundred twenty-two million, nine hundred sixty-three thousand, nine hundred ninety".