622912 has 14 divisors (see below), whose sum is σ = 1236218. Its totient is φ = 311424.

The previous prime is 622901. The next prime is 622927. The reversal of 622912 is 219226.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 20736 = 776^2 + 144^2 .

It is a congruent number.

It is an unprimeable number.

622912 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 (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4803 + ... + 4930.

2⁶²²⁹¹² is an apocalyptic number.

It is an amenable number.

622912 is a deficient number, since it is larger than the sum of its proper divisors (613306).

622912 is an equidigital number, since it uses as much as digits as its factorization.

622912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745 (or 9735 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 622912 is about 789.2477431073. The cubic root of 622912 is about 85.4034796484.

It can be divided in two parts, 6229 and 12, that added together give a square (6241 = 79²).

The spelling of 622912 in words is "six hundred twenty-two thousand, nine hundred twelve".