228290339 has 4 divisors (see below), whose sum is σ = 240305640. Its totient is φ = 216275040.

The previous prime is 228290299. The next prime is 228290351. The reversal of 228290339 is 933092822.

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 228290339 - 2¹² = 228286243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228290389) 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 3 ways as a sum of consecutive naturals, for example, 6007622 + ... + 6007659.

It is an arithmetic number, because the mean of its divisors is an integer number (60076410).

Almost surely, 2^228290339 is an apocalyptic number.

228290339 is a deficient number, since it is larger than the sum of its proper divisors (12015301).

228290339 is a wasteful number, since it uses less digits than its factorization.

228290339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015300.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 228290339 is about 15109.2798968051. The cubic root of 228290339 is about 611.1706793859.

The spelling of 228290339 in words is "two hundred twenty-eight million, two hundred ninety thousand, three hundred thirty-nine".