275228 has 12 divisors (see below), whose sum is σ = 488040. Its totient is φ = 135792.

The previous prime is 275227. The next prime is 275251. The reversal of 275228 is 822572.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 275197 and 275206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (40670).

2²⁷⁵²²⁸ is an apocalyptic number.

It is an amenable number.

275228 is a deficient number, since it is larger than the sum of its proper divisors (212812).

275228 is a wasteful number, since it uses less digits than its factorization.

275228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 914 counting only the distinct ones).

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

The square root of 275228 is about 524.6217685152. The cubic root of 275228 is about 65.0475391872.

The spelling of 275228 in words is "two hundred seventy-five thousand, two hundred twenty-eight".