28227 has 6 divisors (see below), whose sum is σ = 38028. Its totient is φ = 18624.

The previous prime is 28219. The next prime is 28229. The reversal of 28227 is 72282.

28227 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 28227 - 2³ = 28219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243 + ... + 339.

It is an arithmetic number, because the mean of its divisors is an integer number (6338).

2²⁸²²⁷ is an apocalyptic number.

28227 is a deficient number, since it is larger than the sum of its proper divisors (9801).

28227 is an frugal number, since it uses more digits than its factorization.

28227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 100 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 28227 is about 168.0089283342. The cubic root of 28227 is about 30.4477291562.

The spelling of 28227 in words is "twenty-eight thousand, two hundred twenty-seven".