228831375 has 16 divisors (see below), whose sum is σ = 380776032. Its totient is φ = 122043200.

The previous prime is 228831359. The next prime is 228831389. The reversal of 228831375 is 573138822.

It is not a de Polignac number, because 228831375 - 2⁴ = 228831359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304734 + ... + 305483.

It is an arithmetic number, because the mean of its divisors is an integer number (23798502).

Almost surely, 2^228831375 is an apocalyptic number.

228831375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228831375 is a deficient number, since it is larger than the sum of its proper divisors (151944657).

228831375 is an equidigital number, since it uses as much as digits as its factorization.

228831375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610235 (or 610225 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 228831375 is about 15127.1733975651. The cubic root of 228831375 is about 611.6531125085.

The spelling of 228831375 in words is "two hundred twenty-eight million, eight hundred thirty-one thousand, three hundred seventy-five".