622164 has 24 divisors (see below), whose sum is σ = 1466080. Its totient is φ = 205344.

The previous prime is 622159. The next prime is 622177. The reversal of 622164 is 461226.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 622164.

It is a congruent number.

It is an unprimeable number.

622164 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1482 + ... + 1854.

2⁶²²¹⁶⁴ is an apocalyptic number.

It is an amenable number.

622164 is an abundant number, since it is smaller than the sum of its proper divisors (843916).

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

622164 is a wasteful number, since it uses less digits than its factorization.

622164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 622164 is about 788.7737318141. The cubic root of 622164 is about 85.3692814578.

The spelling of 622164 in words is "six hundred twenty-two thousand, one hundred sixty-four".