622974 has 16 divisors (see below), whose sum is σ = 1359360. Its totient is φ = 188760.

The previous prime is 622967. The next prime is 622987. The reversal of 622974 is 479226.

622974 = 25² + 26² + ... + 123².

It is a happy number.

622974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (84960).

2⁶²²⁹⁷⁴ is an apocalyptic number.

622974 is an abundant number, since it is smaller than the sum of its proper divisors (736386).

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

622974 is a wasteful number, since it uses less digits than its factorization.

622974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455.

The product of its digits is 6048, while the sum is 30.

The square root of 622974 is about 789.2870200377. The cubic root of 622974 is about 85.4063130289.

It can be divided in two parts, 622 and 974, that added together give a triangular number (1596 = T₅₆).

The spelling of 622974 in words is "six hundred twenty-two thousand, nine hundred seventy-four".