622554 has 32 divisors (see below), whose sum is σ = 1351680. Its totient is φ = 190512.

The previous prime is 622549. The next prime is 622561. The reversal of 622554 is 455226.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622554.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (42240).

2⁶²²⁵⁵⁴ is an apocalyptic number.

622554 is an abundant number, since it is smaller than the sum of its proper divisors (729126).

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

622554 is a wasteful number, since it uses less digits than its factorization.

622554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its digits is 2400, while the sum is 24.

The square root of 622554 is about 789.0209122704. The cubic root of 622554 is about 85.3871154831.

It can be divided in two parts, 622 and 554, that added together give a triangular number (1176 = T₄₈).

The spelling of 622554 in words is "six hundred twenty-two thousand, five hundred fifty-four".