255922 has 8 divisors (see below), whose sum is σ = 393372. Its totient is φ = 124800.

The previous prime is 255919. The next prime is 255923. The reversal of 255922 is 229552.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 96721 = 399^2 + 311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (255923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479 + ... + 1642.

2²⁵⁵⁹²² is an apocalyptic number.

255922 is a deficient number, since it is larger than the sum of its proper divisors (137450).

255922 is a wasteful number, since it uses less digits than its factorization.

255922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 1800, while the sum is 25.

The square root of 255922 is about 505.8873392367. The cubic root of 255922 is about 63.4895926069.

The spelling of 255922 in words is "two hundred fifty-five thousand, nine hundred twenty-two".