225044 has 12 divisors (see below), whose sum is σ = 397824. Its totient is φ = 111384.

The previous prime is 225037. The next prime is 225061. The reversal of 225044 is 440522.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225044.

It is an unprimeable number.

225044 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (33152).

2²²⁵⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

225044 is a deficient number, since it is larger than the sum of its proper divisors (172780).

225044 is a wasteful number, since it uses less digits than its factorization.

225044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 225044 is about 474.3880268304. The cubic root of 225044 is about 60.8259843920.

Adding to 225044 its reverse (440522), we get a palindrome (665566).

The spelling of 225044 in words is "two hundred twenty-five thousand, forty-four".