228906833 has 4 divisors (see below), whose sum is σ = 238859328. Its totient is φ = 218954340.

The previous prime is 228906829. The next prime is 228906857. The reversal of 228906833 is 338609822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228906833 - 2² = 228906829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228906803) 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, 4976213 + ... + 4976258.

It is an arithmetic number, because the mean of its divisors is an integer number (59714832).

Almost surely, 2^228906833 is an apocalyptic number.

228906833 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

228906833 is a deficient number, since it is larger than the sum of its proper divisors (9952495).

228906833 is an equidigital number, since it uses as much as digits as its factorization.

228906833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9952494.

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

The square root of 228906833 is about 15129.6673129319. The cubic root of 228906833 is about 611.7203367522.

The spelling of 228906833 in words is "two hundred twenty-eight million, nine hundred six thousand, eight hundred thirty-three".