622804 has 48 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 233856.

The previous prime is 622793. The next prime is 622813. The reversal of 622804 is 408226.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10527 + ... + 10585.

It is an arithmetic number, because the mean of its divisors is an integer number (29400).

2⁶²²⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705600).

622804 is an abundant number, since it is smaller than the sum of its proper divisors (788396).

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

622804 is a wasteful number, since it uses less digits than its factorization.

622804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 622804 is about 789.1793205603. The cubic root of 622804 is about 85.3985436334.

The spelling of 622804 in words is "six hundred twenty-two thousand, eight hundred four".