622508 has 6 divisors (see below), whose sum is σ = 1089396. Its totient is φ = 311252.

The previous prime is 622493. The next prime is 622513. The reversal of 622508 is 805226.

It is a happy 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 as a sum of consecutive naturals, namely, 77810 + ... + 77817.

It is an arithmetic number, because the mean of its divisors is an integer number (181566).

2⁶²²⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

622508 is a deficient number, since it is larger than the sum of its proper divisors (466888).

622508 is a wasteful number, since it uses less digits than its factorization.

622508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155631 (or 155629 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 622508 is about 788.9917616807. The cubic root of 622508 is about 85.3850123702.

The spelling of 622508 in words is "six hundred twenty-two thousand, five hundred eight".