228975748 has 12 divisors (see below), whose sum is σ = 401784460. Its totient is φ = 114180192.

The previous prime is 228975739. The next prime is 228975751. The reversal of 228975748 is 847579822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182844484 + 46131264 = 13522^2 + 6792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228975695 and 228975704.

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 3 ways as a sum of consecutive naturals, for example, 75243 + ... + 78226.

Almost surely, 2^228975748 is an apocalyptic number.

It is an amenable number.

228975748 is a deficient number, since it is larger than the sum of its proper divisors (172808712).

228975748 is a wasteful number, since it uses less digits than its factorization.

228975748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153846 (or 153844 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 228975748 is about 15131.9446205701. The cubic root of 228975748 is about 611.7817190426.

The spelling of 228975748 in words is "two hundred twenty-eight million, nine hundred seventy-five thousand, seven hundred forty-eight".