228828816 has 30 divisors (see below), whose sum is σ = 640403270. Its totient is φ = 76276224.

The previous prime is 228828797. The next prime is 228828829. The reversal of 228828816 is 618828822.

It can be written as a sum of positive squares in only one way, i.e., 132710400 + 96118416 = 11520^2 + 9804^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 794401 + ... + 794688.

Almost surely, 2^228828816 is an apocalyptic number.

It is an amenable number.

228828816 is an abundant number, since it is smaller than the sum of its proper divisors (411574454).

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

228828816 is a wasteful number, since it uses less digits than its factorization.

228828816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589103 (or 1589094 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 228828816 is about 15127.0888144415. The cubic root of 228828816 is about 611.6508324800.

The spelling of 228828816 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, eight hundred sixteen".