225548 has 12 divisors (see below), whose sum is σ = 399000. Its totient is φ = 111552.

The previous prime is 225529. The next prime is 225569. The reversal of 225548 is 845522.

It is an unprimeable number.

225548 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, 203 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (33250).

2²²⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

225548 is a deficient number, since it is larger than the sum of its proper divisors (173452).

225548 is a wasteful number, since it uses less digits than its factorization.

225548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 225548 is about 474.9189404519. The cubic root of 225548 is about 60.8713583914.

Subtracting from 225548 its sum of digits (26), we obtain a palindrome (225522).

The spelling of 225548 in words is "two hundred twenty-five thousand, five hundred forty-eight".