111228318 has 24 divisors (see below), whose sum is σ = 253679400. Its totient is φ = 35124624.

The previous prime is 111228317. The next prime is 111228323. The reversal of 111228318 is 813822111.

It is a junction number, because it is equal to n+sod(n) for n = 111228291 and 111228300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111228317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162273 + ... + 162956.

It is an arithmetic number, because the mean of its divisors is an integer number (10569975).

Almost surely, 2^111228318 is an apocalyptic number.

111228318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111228318 is an abundant number, since it is smaller than the sum of its proper divisors (142451082).

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

111228318 is a wasteful number, since it uses less digits than its factorization.

111228318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325256 (or 325253 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 111228318 is about 10546.4836794071. The cubic root of 111228318 is about 480.9188389506.

The spelling of 111228318 in words is "one hundred eleven million, two hundred twenty-eight thousand, three hundred eighteen".