228162304 has 72 divisors (see below), whose sum is σ = 487861920. Its totient is φ = 106119168.

The previous prime is 228162293. The next prime is 228162329. The reversal of 228162304 is 403261822.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 448002 + ... + 448510.

It is an arithmetic number, because the mean of its divisors is an integer number (6775860).

Almost surely, 2^228162304 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 228162304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243930960).

228162304 is an abundant number, since it is smaller than the sum of its proper divisors (259699616).

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

228162304 is a wasteful number, since it uses less digits than its factorization.

228162304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 228162304 is about 15105.0423369152. The cubic root of 228162304 is about 611.0564011212.

The spelling of 228162304 in words is "two hundred twenty-eight million, one hundred sixty-two thousand, three hundred four".