622604 has 12 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 301200.

The previous prime is 622603. The next prime is 622607. The reversal of 622604 is 406226.

It is a d-powerful number, because it can be written as 6 + 2¹⁵ + 6 + 2¹⁹ + 0 + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (622603) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2387 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2⁶²²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

622604 is a deficient number, since it is larger than the sum of its proper divisors (502324).

622604 is a wasteful number, since it uses less digits than its factorization.

622604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5054 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 622604 is about 789.0525964725. The cubic root of 622604 is about 85.3894013579.

The spelling of 622604 in words is "six hundred twenty-two thousand, six hundred four".