622392 has 16 divisors (see below), whose sum is σ = 1556040. Its totient is φ = 207456.

The previous prime is 622367. The next prime is 622397. The reversal of 622392 is 293226.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 25933 = 622392 / (6 + 2 + 2 + 3 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12943 + ... + 12990.

2⁶²²³⁹² is an apocalyptic number.

It is an amenable number.

622392 is an abundant number, since it is smaller than the sum of its proper divisors (933648).

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

622392 is a wasteful number, since it uses less digits than its factorization.

622392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25942 (or 25938 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 622392 is about 788.9182467151. The cubic root of 622392 is about 85.3797084080.

The spelling of 622392 in words is "six hundred twenty-two thousand, three hundred ninety-two".