225958 has 4 divisors (see below), whose sum is σ = 338940. Its totient is φ = 112978.

The previous prime is 225949. The next prime is 225961. The reversal of 225958 is 859522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56488 + ... + 56491.

It is an arithmetic number, because the mean of its divisors is an integer number (84735).

2²²⁵⁹⁵⁸ is an apocalyptic number.

225958 is a deficient number, since it is larger than the sum of its proper divisors (112982).

225958 is a wasteful number, since it uses less digits than its factorization.

225958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112981.

The product of its digits is 7200, while the sum is 31.

The square root of 225958 is about 475.3503970757. The cubic root of 225958 is about 60.9082199461.

The spelling of 225958 in words is "two hundred twenty-five thousand, nine hundred fifty-eight".