225944 has 16 divisors (see below), whose sum is σ = 431520. Its totient is φ = 110880.

The previous prime is 225943. The next prime is 225949. The reversal of 225944 is 449522.

225944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225944² = 102101382272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225941) 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, 257 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (26970).

2²²⁵⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

225944 is a deficient number, since it is larger than the sum of its proper divisors (205576).

225944 is a wasteful number, since it uses less digits than its factorization.

225944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 526 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 225944 is about 475.3356708685. The cubic root of 225944 is about 60.9069619945.

The spelling of 225944 in words is "two hundred twenty-five thousand, nine hundred forty-four".