228146524 has 12 divisors (see below), whose sum is σ = 405215944. Its totient is φ = 112370544.

The previous prime is 228146489. The next prime is 228146531. The reversal of 228146524 is 425641822.

It is a self number, because there is not a number n which added to its sum of digits gives 228146524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425379 + ... + 425914.

Almost surely, 2^228146524 is an apocalyptic number.

It is an amenable number.

228146524 is a deficient number, since it is larger than the sum of its proper divisors (177069420).

228146524 is a wasteful number, since it uses less digits than its factorization.

228146524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851364 (or 851362 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 228146524 is about 15104.5199857526. The cubic root of 228146524 is about 611.0423136461.

The spelling of 228146524 in words is "two hundred twenty-eight million, one hundred forty-six thousand, five hundred twenty-four".