228312875 has 32 divisors (see below), whose sum is σ = 327075840. Its totient is φ = 155868000.

The previous prime is 228312869. The next prime is 228312919. The reversal of 228312875 is 578213822.

228312875 = 1289² + 1290² + ... + 1413².

It is not a de Polignac number, because 228312875 - 2¹² = 228308779 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 271706 + ... + 272544.

It is an arithmetic number, because the mean of its divisors is an integer number (10221120).

Almost surely, 2^228312875 is an apocalyptic number.

228312875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228312875 is a deficient number, since it is larger than the sum of its proper divisors (98762965).

228312875 is an equidigital number, since it uses as much as digits as its factorization.

228312875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1162 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 228312875 is about 15110.0256452463. The cubic root of 228312875 is about 611.1907895802.

The spelling of 228312875 in words is "two hundred twenty-eight million, three hundred twelve thousand, eight hundred seventy-five".