228318125 has 40 divisors (see below), whose sum is σ = 340391040. Its totient is φ = 149688000.

The previous prime is 228318113. The next prime is 228318133. The reversal of 228318125 is 521813822.

It is a happy number.

It is not a de Polignac number, because 228318125 - 2¹⁴ = 228301741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228318091 and 228318100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99491 + ... + 101759.

It is an arithmetic number, because the mean of its divisors is an integer number (8509776).

Almost surely, 2^228318125 is an apocalyptic number.

228318125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228318125 is a deficient number, since it is larger than the sum of its proper divisors (112072915).

228318125 is an equidigital number, since it uses as much as digits as its factorization.

228318125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319 (or 2304 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 228318125 is about 15110.1993699620. The cubic root of 228318125 is about 611.1954742730.

The spelling of 228318125 in words is "two hundred twenty-eight million, three hundred eighteen thousand, one hundred twenty-five".