225256 has 16 divisors (see below), whose sum is σ = 434340. Its totient is φ = 109440.

The previous prime is 225241. The next prime is 225257. The reversal of 225256 is 652522.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 4356 = 470^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (225257) 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, 85 + ... + 676.

2²²⁵²⁵⁶ is an apocalyptic number.

It is an amenable number.

225256 is a deficient number, since it is larger than the sum of its proper divisors (209084).

225256 is a wasteful number, since it uses less digits than its factorization.

225256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 800 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 225256 is about 474.6114200059. The cubic root of 225256 is about 60.8450785270.

Adding to 225256 its reverse (652522), we get a palindrome (877778).

It can be divided in two parts, 225 and 256, that multiplied together give a square (57600 = 240²).

The spelling of 225256 in words is "two hundred twenty-five thousand, two hundred fifty-six".