622872 has 48 divisors (see below), whose sum is σ = 1736280. Its totient is φ = 201600.

The previous prime is 622861. The next prime is 622879. The reversal of 622872 is 278226.

622872 is nontrivially palindromic in base 15.

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 622872.

It is not an unprimeable number, because it can be changed into a prime (622879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2847 + ... + 3057.

2⁶²²⁸⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868140).

622872 is an abundant number, since it is smaller than the sum of its proper divisors (1113408).

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

622872 is a wasteful number, since it uses less digits than its factorization.

622872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 257 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 622872 is about 789.2224021149. Note that the first 3 decimals coincide. The cubic root of 622872 is about 85.4016515612.

The spelling of 622872 in words is "six hundred twenty-two thousand, eight hundred seventy-two".