228333903 has 16 divisors (see below), whose sum is σ = 363065856. Its totient is φ = 124803360.

The previous prime is 228333899. The next prime is 228333929. The reversal of 228333903 is 309333822.

It is not a de Polignac number, because 228333903 - 2² = 228333899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228333983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235888 + ... + 236853.

It is an arithmetic number, because the mean of its divisors is an integer number (22691616).

Almost surely, 2^228333903 is an apocalyptic number.

228333903 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

228333903 is a deficient number, since it is larger than the sum of its proper divisors (134731953).

228333903 is a wasteful number, since it uses less digits than its factorization.

228333903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472774.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 228333903 is about 15110.7214586200. The cubic root of 228333903 is about 611.2095529043.

The spelling of 228333903 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, nine hundred three".