228318116 has 12 divisors (see below), whose sum is σ = 430291932. Its totient is φ = 105377568.

The previous prime is 228318113. The next prime is 228318133. The reversal of 228318116 is 611813822.

It can be written as a sum of positive squares in 2 ways, for example, as 72318016 + 156000100 = 8504^2 + 12490^2 .

It is not an unprimeable number, because it can be changed into a prime (228318113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195315 + ... + 2195418.

It is an arithmetic number, because the mean of its divisors is an integer number (35857661).

Almost surely, 2^228318116 is an apocalyptic number.

228318116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

228318116 is a deficient number, since it is larger than the sum of its proper divisors (201973816).

228318116 is a wasteful number, since it uses less digits than its factorization.

228318116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390750 (or 4390748 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 228318116 is about 15110.1990721499. The cubic root of 228318116 is about 611.1954662422.

It can be divided in two parts, 22 and 8318116, that added together give a palindrome (8318138).

The spelling of 228318116 in words is "two hundred twenty-eight million, three hundred eighteen thousand, one hundred sixteen".