622908 has 72 divisors (see below), whose sum is σ = 1865136. Its totient is φ = 174240.

The previous prime is 622901. The next prime is 622927. The reversal of 622908 is 809226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622901) by changing a digit.

622908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47910 + ... + 47922.

2⁶²²⁹⁰⁸ 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 622908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932568).

622908 is an abundant number, since it is smaller than the sum of its proper divisors (1242228).

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

622908 is a wasteful number, since it uses less digits than its factorization.

622908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 622908 is about 789.2452090447. The cubic root of 622908 is about 85.4032968432.

The spelling of 622908 in words is "six hundred twenty-two thousand, nine hundred eight".