228765125 has 16 divisors (see below), whose sum is σ = 290347200. Its totient is φ = 179904400.

The previous prime is 228765113. The next prime is 228765139. The reversal of 228765125 is 521567822.

It is not a de Polignac number, because 228765125 - 2²² = 224570821 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, 8135 + ... + 22884.

It is an arithmetic number, because the mean of its divisors is an integer number (18146700).

Almost surely, 2^228765125 is an apocalyptic number.

228765125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228765125 is a deficient number, since it is larger than the sum of its proper divisors (61582075).

228765125 is an equidigital number, since it uses as much as digits as its factorization.

228765125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31093 (or 31083 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 228765125 is about 15124.9834710653. The cubic root of 228765125 is about 611.5940793305.

The spelling of 228765125 in words is "two hundred twenty-eight million, seven hundred sixty-five thousand, one hundred twenty-five".