228545232 has 40 divisors (see below), whose sum is σ = 600422880. Its totient is φ = 74889600.

The previous prime is 228545203. The next prime is 228545249. The reversal of 228545232 is 232545822.

It is a junction number, because it is equal to n+sod(n) for n = 228545193 and 228545202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37519 + ... + 43182.

It is an arithmetic number, because the mean of its divisors is an integer number (15010572).

Almost surely, 2^228545232 is an apocalyptic number.

It is an amenable number.

228545232 is an abundant number, since it is smaller than the sum of its proper divisors (371877648).

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

228545232 is a wasteful number, since it uses less digits than its factorization.

228545232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80771 (or 80765 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 228545232 is about 15117.7125253790. The cubic root of 228545232 is about 611.3980582371.

The spelling of 228545232 in words is "two hundred twenty-eight million, five hundred forty-five thousand, two hundred thirty-two".