225004 has 12 divisors (see below), whose sum is σ = 424144. Its totient is φ = 103824.

The previous prime is 224993. The next prime is 225023. The reversal of 225004 is 400522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112 + ... + 2215.

2²²⁵⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

225004 is a deficient number, since it is larger than the sum of its proper divisors (199140).

225004 is a wasteful number, since it uses less digits than its factorization.

225004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 225004 is about 474.3458653767. The cubic root of 225004 is about 60.8223803804.

Adding to 225004 its reverse (400522), we get a palindrome (625526).

It can be divided in two parts, 22500 and 4, that multiplied together give a square (90000 = 300²).

The spelling of 225004 in words is "two hundred twenty-five thousand, four".