228255 has 8 divisors (see below), whose sum is σ = 365232. Its totient is φ = 121728.

The previous prime is 228251. The next prime is 228257. The reversal of 228255 is 552822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228255 - 2² = 228251 is a prime.

It is a Smith number, since the sum of its digits (24) 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 inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228255.

It is not an unprimeable number, because it can be changed into a prime (228251) 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, 7594 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (45654).

2²²⁸²⁵⁵ is an apocalyptic number.

228255 is a deficient number, since it is larger than the sum of its proper divisors (136977).

228255 is a wasteful number, since it uses less digits than its factorization.

228255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225.

The product of its digits is 1600, while the sum is 24.

The square root of 228255 is about 477.7604002008. The cubic root of 228255 is about 61.1139141659.

The spelling of 228255 in words is "two hundred twenty-eight thousand, two hundred fifty-five".