228767232 has 80 divisors (see below), whose sum is σ = 645373872. Its totient is φ = 71761920.

The previous prime is 228767219. The next prime is 228767233. The reversal of 228767232 is 232767822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228767233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21732 + ... + 30492.

Almost surely, 2^228767232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228767232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322686936).

228767232 is an abundant number, since it is smaller than the sum of its proper divisors (416606640).

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

228767232 is an equidigital number, since it uses as much as digits as its factorization.

228767232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8799 (or 8783 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 228767232 is about 15125.0531238736. The cubic root of 228767232 is about 611.5959569838.

The spelling of 228767232 in words is "two hundred twenty-eight million, seven hundred sixty-seven thousand, two hundred thirty-two".