228147875 has 8 divisors (see below), whose sum is σ = 284728704. Its totient is φ = 182518200.

The previous prime is 228147859. The next prime is 228147889. The reversal of 228147875 is 578741822.

It is not a de Polignac number, because 228147875 - 2⁴ = 228147859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912467 + ... + 912716.

It is an arithmetic number, because the mean of its divisors is an integer number (35591088).

Almost surely, 2^228147875 is an apocalyptic number.

228147875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228147875 is a deficient number, since it is larger than the sum of its proper divisors (56580829).

228147875 is an equidigital number, since it uses as much as digits as its factorization.

228147875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825198 (or 1825188 counting only the distinct ones).

The product of its digits is 250880, while the sum is 44.

The square root of 228147875 is about 15104.5647073989. The cubic root of 228147875 is about 611.0435197665.

The spelling of 228147875 in words is "two hundred twenty-eight million, one hundred forty-seven thousand, eight hundred seventy-five".