622888660 has 24 divisors (see below), whose sum is σ = 1312700256. Its totient is φ = 248272800.

The previous prime is 622888639. The next prime is 622888663. The reversal of 622888660 is 66888226.

It is a self number, because there is not a number n which added to its sum of digits gives 622888660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622888663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49366 + ... + 60685.

It is an arithmetic number, because the mean of its divisors is an integer number (54695844).

Almost surely, 2^622888660 is an apocalyptic number.

It is an amenable number.

622888660 is an abundant number, since it is smaller than the sum of its proper divisors (689811596).

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

622888660 is a wasteful number, since it uses less digits than its factorization.

622888660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110343 (or 110341 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 622888660 is about 24957.7374775840. The cubic root of 622888660 is about 854.0241296906.

The spelling of 622888660 in words is "six hundred twenty-two million, eight hundred eighty-eight thousand, six hundred sixty".