255224 has 16 divisors (see below), whose sum is σ = 487320. Its totient is φ = 125280.

The previous prime is 255217. The next prime is 255239. The reversal of 255224 is 422552.

It is a junction number, because it is equal to n+sod(n) for n = 255196 and 255205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227 + ... + 749.

2²⁵⁵²²⁴ is an apocalyptic number.

It is an amenable number.

255224 is a deficient number, since it is larger than the sum of its proper divisors (232096).

255224 is a wasteful number, since it uses less digits than its factorization.

255224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 586 counting only the distinct ones).

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

The square root of 255224 is about 505.1969912816. The cubic root of 255224 is about 63.4318196844.

Adding to 255224 its reverse (422552), we get a palindrome (677776).

The spelling of 255224 in words is "two hundred fifty-five thousand, two hundred twenty-four".