228275 has 12 divisors (see below), whose sum is σ = 296112. Its totient is φ = 174240.

The previous prime is 228257. The next prime is 228281. The reversal of 228275 is 572822.

It is not a de Polignac number, because 228275 - 2⁶ = 228211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (24676).

2²²⁸²⁷⁵ is an apocalyptic number.

228275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228275 is a deficient number, since it is larger than the sum of its proper divisors (67837).

228275 is a wasteful number, since it uses less digits than its factorization.

228275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 425 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 228275 is about 477.7813307361. The cubic root of 228275 is about 61.1156990740.

The spelling of 228275 in words is "two hundred twenty-eight thousand, two hundred seventy-five".