622459 has 6 divisors (see below), whose sum is σ = 658860. Its totient is φ = 586440.

The previous prime is 622423. The next prime is 622477. The reversal of 622459 is 954226.

It is not a de Polignac number, because 622459 - 2⁷ = 622331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3349 + ... + 3529.

It is an arithmetic number, because the mean of its divisors is an integer number (109810).

2⁶²²⁴⁵⁹ is an apocalyptic number.

622459 is a deficient number, since it is larger than the sum of its proper divisors (36401).

622459 is an equidigital number, since it uses as much as digits as its factorization.

622459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 200 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 622459 is about 788.9607087809. The cubic root of 622459 is about 85.3827719838.

It can be divided in two parts, 622 and 459, that added together give a triangular number (1081 = T₄₆).

The spelling of 622459 in words is "six hundred twenty-two thousand, four hundred fifty-nine".