228967 has 4 divisors (see below), whose sum is σ = 231336. Its totient is φ = 226600.

The previous prime is 228961. The next prime is 228983. The reversal of 228967 is 769822.

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 228967 - 2³ = 228959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228961) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (57834).

2²²⁸⁹⁶⁷ is an apocalyptic number.

228967 is a deficient number, since it is larger than the sum of its proper divisors (2369).

228967 is a wasteful number, since it uses less digits than its factorization.

228967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368.

The product of its digits is 12096, while the sum is 34.

The square root of 228967 is about 478.5049634016. The cubic root of 228967 is about 61.1773927920.

The spelling of 228967 in words is "two hundred twenty-eight thousand, nine hundred sixty-seven".