228158524 has 12 divisors (see below), whose sum is σ = 435575448. Its totient is φ = 103708400.

The previous prime is 228158509. The next prime is 228158527. The reversal of 228158524 is 425851822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228158527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592667 + ... + 2592754.

It is an arithmetic number, because the mean of its divisors is an integer number (36297954).

Almost surely, 2^228158524 is an apocalyptic number.

It is an amenable number.

228158524 is a deficient number, since it is larger than the sum of its proper divisors (207416924).

228158524 is a wasteful number, since it uses less digits than its factorization.

228158524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185436 (or 5185434 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 228158524 is about 15104.9172126166. The cubic root of 228158524 is about 611.0530266141.

The spelling of 228158524 in words is "two hundred twenty-eight million, one hundred fifty-eight thousand, five hundred twenty-four".