228809524 has 12 divisors (see below), whose sum is σ = 400536864. Its totient is φ = 114370424.

The previous prime is 228809509. The next prime is 228809557. The reversal of 228809524 is 425908822.

It is a happy number.

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, 11769 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (33378072).

Almost surely, 2^228809524 is an apocalyptic number.

It is an amenable number.

228809524 is a deficient number, since it is larger than the sum of its proper divisors (171727340).

228809524 is a wasteful number, since it uses less digits than its factorization.

228809524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174 (or 17172 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 228809524 is about 15126.4511369984. The cubic root of 228809524 is about 611.6336430664.

The spelling of 228809524 in words is "two hundred twenty-eight million, eight hundred nine thousand, five hundred twenty-four".