228223116 has 96 divisors (see below), whose sum is σ = 666408960. Its totient is φ = 66916800.

The previous prime is 228223111. The next prime is 228223123. The reversal of 228223116 is 611322822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 228223116.

It is not an unprimeable number, because it can be changed into a prime (228223111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33730 + ... + 39926.

It is an arithmetic number, because the mean of its divisors is an integer number (6941760).

Almost surely, 2^228223116 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 228223116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333204480).

228223116 is an abundant number, since it is smaller than the sum of its proper divisors (438185844).

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

228223116 is a wasteful number, since it uses less digits than its factorization.

228223116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252 (or 6244 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 228223116 is about 15107.0551729978. The cubic root of 228223116 is about 611.1106844980.

Adding to 228223116 its reverse (611322822), we get a palindrome (839545938).

The spelling of 228223116 in words is "two hundred twenty-eight million, two hundred twenty-three thousand, one hundred sixteen".