622692 has 54 divisors (see below), whose sum is σ = 1836198. Its totient is φ = 177408.

The previous prime is 622669. The next prime is 622709. The reversal of 622692 is 296226.

It can be written as a sum of positive squares in only one way, i.e., 509796 + 112896 = 714^2 + 336^2 .

It is a nude number because it is divisible by every one of its digits.

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 622692.

It is an unprimeable number.

622692 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 17 ways as a sum of consecutive naturals, for example, 1588 + ... + 1940.

2⁶²²⁶⁹² 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 622692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918099).

622692 is an abundant number, since it is smaller than the sum of its proper divisors (1213506).

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

622692 is a wasteful number, since it uses less digits than its factorization.

622692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 365 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 622692 is about 789.1083575783. The cubic root of 622692 is about 85.3934242003.

The spelling of 622692 in words is "six hundred twenty-two thousand, six hundred ninety-two".