228503296 has 72 divisors (see below), whose sum is σ = 539370720. Its totient is φ = 94531584.

The previous prime is 228503293. The next prime is 228503323. The reversal of 228503296 is 692305822.

228503296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228503293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49770 + ... + 54166.

It is an arithmetic number, because the mean of its divisors is an integer number (7491260).

Almost surely, 2^228503296 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 228503296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269685360).

228503296 is an abundant number, since it is smaller than the sum of its proper divisors (310867424).

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

228503296 is an equidigital number, since it uses as much as digits as its factorization.

228503296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 228503296 is about 15116.3254794279. The cubic root of 228503296 is about 611.3606605965.

The spelling of 228503296 in words is "two hundred twenty-eight million, five hundred three thousand, two hundred ninety-six".