228872339 has 2 divisors, whose sum is σ = 228872340. Its totient is φ = 228872338.

The previous prime is 228872299. The next prime is 228872341. The reversal of 228872339 is 933278822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228872339 - 2²⁴ = 212095123 is a prime.

Together with 228872341, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228872339.

It is not a weakly prime, because it can be changed into another prime (228872389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114436169 + 114436170.

It is an arithmetic number, because the mean of its divisors is an integer number (114436170).

Almost surely, 2^228872339 is an apocalyptic number.

228872339 is a deficient number, since it is larger than the sum of its proper divisors (1).

228872339 is an equidigital number, since it uses as much as digits as its factorization.

228872339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 228872339 is about 15128.5273242309. The cubic root of 228872339 is about 611.6896084700.

The spelling of 228872339 in words is "two hundred twenty-eight million, eight hundred seventy-two thousand, three hundred thirty-nine".