225758 has 16 divisors (see below), whose sum is σ = 384720. Its totient is φ = 98496.

The previous prime is 225751. The next prime is 225767. The reversal of 225758 is 857522.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 225758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (24045).

2²²⁵⁷⁵⁸ is an apocalyptic number.

225758 is a deficient number, since it is larger than the sum of its proper divisors (158962).

225758 is a wasteful number, since it uses less digits than its factorization.

225758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 5600, while the sum is 29.

The square root of 225758 is about 475.1399793745. The cubic root of 225758 is about 60.8902442754.

The spelling of 225758 in words is "two hundred twenty-five thousand, seven hundred fifty-eight".