228819432 has 64 divisors (see below), whose sum is σ = 621619200. Its totient is φ = 69923520.

The previous prime is 228819427. The next prime is 228819457. The reversal of 228819432 is 234918822.

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, 6043 + ... + 22229.

It is an arithmetic number, because the mean of its divisors is an integer number (9712800).

Almost surely, 2^228819432 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 228819432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310809600).

228819432 is an abundant number, since it is smaller than the sum of its proper divisors (392799768).

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

228819432 is a wasteful number, since it uses less digits than its factorization.

228819432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16246 (or 16242 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 228819432 is about 15126.7786392212. The cubic root of 228819432 is about 611.6424713392.

The spelling of 228819432 in words is "two hundred twenty-eight million, eight hundred nineteen thousand, four hundred thirty-two".