228809339 has 8 divisors (see below), whose sum is σ = 252082800. Its totient is φ = 205948000.

The previous prime is 228809311. The next prime is 228809351. The reversal of 228809339 is 933908822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228809339 is a prime.

It is a super-2 number, since 2×228809339² = 104707427227233842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228809339.

It is not an unprimeable number, because it can be changed into a prime (228809839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101864 + ... + 104085.

It is an arithmetic number, because the mean of its divisors is an integer number (31510350).

Almost surely, 2^228809339 is an apocalyptic number.

228809339 is a deficient number, since it is larger than the sum of its proper divisors (23273461).

228809339 is a wasteful number, since it uses less digits than its factorization.

228809339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206061.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 228809339 is about 15126.4450218814. The cubic root of 228809339 is about 611.6334782244.

The spelling of 228809339 in words is "two hundred twenty-eight million, eight hundred nine thousand, three hundred thirty-nine".