622608 has 80 divisors (see below), whose sum is σ = 1964160. Its totient is φ = 165888.

The previous prime is 622607. The next prime is 622613. The reversal of 622608 is 806226.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (622603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5658 + ... + 5766.

It is an arithmetic number, because the mean of its divisors is an integer number (24552).

2⁶²²⁶⁰⁸ is an apocalyptic number.

622608 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982080).

622608 is an abundant number, since it is smaller than the sum of its proper divisors (1341552).

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

622608 is a wasteful number, since it uses less digits than its factorization.

622608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 622608 is about 789.0551311537. The cubic root of 622608 is about 85.3895842226.

The spelling of 622608 in words is "six hundred twenty-two thousand, six hundred eight".