622039 has 8 divisors (see below), whose sum is σ = 684432. Its totient is φ = 560640.

The previous prime is 622019. The next prime is 622043. The reversal of 622039 is 930226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622039 - 2⁹ = 621527 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1977 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (85554).

2⁶²²⁰³⁹ is an apocalyptic number.

622039 is a deficient number, since it is larger than the sum of its proper divisors (62393).

622039 is a wasteful number, since it uses less digits than its factorization.

622039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 622039 is about 788.6944909152. The cubic root of 622039 is about 85.3635638470.

The spelling of 622039 in words is "six hundred twenty-two thousand, thirty-nine".