225276 has 12 divisors (see below), whose sum is σ = 525672. Its totient is φ = 75088.

The previous prime is 225263. The next prime is 225287. The reversal of 225276 is 672522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

225276 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, 9375 + ... + 9398.

It is an arithmetic number, because the mean of its divisors is an integer number (43806).

2²²⁵²⁷⁶ is an apocalyptic number.

It is an amenable number.

225276 is an abundant number, since it is smaller than the sum of its proper divisors (300396).

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

225276 is a wasteful number, since it uses less digits than its factorization.

225276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780 (or 18778 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 225276 is about 474.6324894063. The cubic root of 225276 is about 60.8468792420.

Adding to 225276 its reverse (672522), we get a palindrome (897798).

The spelling of 225276 in words is "two hundred twenty-five thousand, two hundred seventy-six".