228867 has 4 divisors (see below), whose sum is σ = 305160. Its totient is φ = 152576.

The previous prime is 228859. The next prime is 228869. The reversal of 228867 is 768822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228867 - 2³ = 228859 is a prime.

It is a D-number.

228867 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228867.

It is not an unprimeable number, because it can be changed into a prime (228869) 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, 38142 + ... + 38147.

It is an arithmetic number, because the mean of its divisors is an integer number (76290).

2²²⁸⁸⁶⁷ is an apocalyptic number.

228867 is a deficient number, since it is larger than the sum of its proper divisors (76293).

228867 is an equidigital number, since it uses as much as digits as its factorization.

228867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76292.

The product of its digits is 10752, while the sum is 33.

The square root of 228867 is about 478.4004598660. The cubic root of 228867 is about 61.1684852054.

The spelling of 228867 in words is "two hundred twenty-eight thousand, eight hundred sixty-seven".