228364816 has 10 divisors (see below), whose sum is σ = 442456862. Its totient is φ = 114182400.

The previous prime is 228364813. The next prime is 228364849. The reversal of 228364816 is 618463822.

228364816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 120121600 + 108243216 = 10960^2 + 10404^2 .

It is not an unprimeable number, because it can be changed into a prime (228364811) 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 as a sum of consecutive naturals, namely, 7136385 + ... + 7136416.

Almost surely, 2^228364816 is an apocalyptic number.

It is an amenable number.

228364816 is a deficient number, since it is larger than the sum of its proper divisors (214092046).

228364816 is a wasteful number, since it uses less digits than its factorization.

228364816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14272809 (or 14272803 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 228364816 is about 15111.7443069951. The cubic root of 228364816 is about 611.2371345410.

The spelling of 228364816 in words is "two hundred twenty-eight million, three hundred sixty-four thousand, eight hundred sixteen".