228730524 has 48 divisors (see below), whose sum is σ = 601015296. Its totient is φ = 67075200.

The previous prime is 228730519. The next prime is 228730549. The reversal of 228730524 is 425037822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 23857 + ... + 32040.

It is an arithmetic number, because the mean of its divisors is an integer number (12521152).

Almost surely, 2^228730524 is an apocalyptic number.

It is an amenable number.

228730524 is an abundant number, since it is smaller than the sum of its proper divisors (372284772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228730524 is a wasteful number, since it uses less digits than its factorization.

228730524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55946 (or 55944 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 228730524 is about 15123.8395918497. The cubic root of 228730524 is about 611.5632429960.

The spelling of 228730524 in words is "two hundred twenty-eight million, seven hundred thirty thousand, five hundred twenty-four".