255422 has 4 divisors (see below), whose sum is σ = 383136. Its totient is φ = 127710.

The previous prime is 255419. The next prime is 255443. The reversal of 255422 is 224552.

255422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 255394 and 255403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63854 + ... + 63857.

It is an arithmetic number, because the mean of its divisors is an integer number (95784).

2²⁵⁵⁴²² is an apocalyptic number.

255422 is a deficient number, since it is larger than the sum of its proper divisors (127714).

255422 is a wasteful number, since it uses less digits than its factorization.

255422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127713.

The product of its digits is 800, while the sum is 20.

The square root of 255422 is about 505.3929164521. The cubic root of 255422 is about 63.4482186827.

Adding to 255422 its reverse (224552), we get a palindrome (479974).

The spelling of 255422 in words is "two hundred fifty-five thousand, four hundred twenty-two".