622004 has 6 divisors (see below), whose sum is σ = 1088514. Its totient is φ = 311000.

The previous prime is 621997. The next prime is 622009. The reversal of 622004 is 400226.

It can be written as a sum of positive squares in only one way, i.e., 559504 + 62500 = 748^2 + 250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622004.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622004.

It is not an unprimeable number, because it can be changed into a prime (622009) by changing a digit.

622004 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77747 + ... + 77754.

It is an arithmetic number, because the mean of its divisors is an integer number (181419).

2⁶²²⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

622004 is a deficient number, since it is larger than the sum of its proper divisors (466510).

622004 is a wasteful number, since it uses less digits than its factorization.

622004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155505 (or 155503 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 622004 is about 788.6723020368. The cubic root of 622004 is about 85.3619627787.

The spelling of 622004 in words is "six hundred twenty-two thousand, four".