622938 has 16 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 203228.

The previous prime is 622927. The next prime is 622943. The reversal of 622938 is 839226.

It is a Curzon number.

It is an unprimeable number.

622938 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 7 ways as a sum of consecutive naturals, for example, 13231 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (79560).

622938 is a Friedman number, since it can be written as (28*2-9)^3*6, using all its digits and the basic arithmetic operations.

2⁶²²⁹³⁸ is an apocalyptic number.

622938 is an abundant number, since it is smaller than the sum of its proper divisors (650022).

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

622938 is an frugal number, since it uses more digits than its factorization.

622938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 52 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 622938 is about 789.2642143161. The cubic root of 622938 is about 85.4046678631.

The spelling of 622938 in words is "six hundred twenty-two thousand, nine hundred thirty-eight".