228833279 has 4 divisors (see below), whose sum is σ = 238782576. Its totient is φ = 218883984.

The previous prime is 228833273. The next prime is 228833281. The reversal of 228833279 is 972338822.

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 228833279 - 2⁴ = 228833263 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 (228833273) 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, 4974614 + ... + 4974659.

It is an arithmetic number, because the mean of its divisors is an integer number (59695644).

Almost surely, 2^228833279 is an apocalyptic number.

228833279 is a deficient number, since it is larger than the sum of its proper divisors (9949297).

228833279 is an equidigital number, since it uses as much as digits as its factorization.

228833279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949296.

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

The square root of 228833279 is about 15127.2363305397. The cubic root of 228833279 is about 611.6548089313.

It can be divided in two parts, 22883 and 3279, that added together give a palindrome (26162).

The spelling of 228833279 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, two hundred seventy-nine".