228383872 has 32 divisors (see below), whose sum is σ = 455777820. Its totient is φ = 113992704.

The previous prime is 228383839. The next prime is 228383887. The reversal of 228383872 is 278383822.

It can be written as a sum of positive squares in 2 ways, for example, as 225480256 + 2903616 = 15016^2 + 1704^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 95718 + ... + 98074.

Almost surely, 2^228383872 is an apocalyptic number.

It is an amenable number.

228383872 is a deficient number, since it is larger than the sum of its proper divisors (227393948).

228383872 is an equidigital number, since it uses as much as digits as its factorization.

228383872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 3116 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 228383872 is about 15112.3747968345. The cubic root of 228383872 is about 611.2541357164.

The spelling of 228383872 in words is "two hundred twenty-eight million, three hundred eighty-three thousand, eight hundred seventy-two".