225594 has 24 divisors (see below), whose sum is σ = 497952. Its totient is φ = 73800.

The previous prime is 225583. The next prime is 225601. The reversal of 225594 is 495522.

It is an unprimeable number.

225594 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 11 ways as a sum of consecutive naturals, for example, 1419 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2²²⁵⁵⁹⁴ is an apocalyptic number.

225594 is an abundant number, since it is smaller than the sum of its proper divisors (272358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225594 is a wasteful number, since it uses less digits than its factorization.

225594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 239 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 225594 is about 474.9673673001. The cubic root of 225594 is about 60.8754963017.

The spelling of 225594 in words is "two hundred twenty-five thousand, five hundred ninety-four".