228806339 has 4 divisors (see below), whose sum is σ = 230944824. Its totient is φ = 226667856.

The previous prime is 228806321. The next prime is 228806351. The reversal of 228806339 is 933608822.

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 228806339 - 2²⁰ = 227757763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228806296 and 228806305.

It is not an unprimeable number, because it can be changed into a prime (228806639) 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, 1069082 + ... + 1069295.

It is an arithmetic number, because the mean of its divisors is an integer number (57736206).

Almost surely, 2^228806339 is an apocalyptic number.

228806339 is a deficient number, since it is larger than the sum of its proper divisors (2138485).

228806339 is a wasteful number, since it uses less digits than its factorization.

228806339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138484.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 228806339 is about 15126.3458574766. The cubic root of 228806339 is about 611.6308050986.

The spelling of 228806339 in words is "two hundred twenty-eight million, eight hundred six thousand, three hundred thirty-nine".