1108917228 has 18 divisors (see below), whose sum is σ = 2587742724. Its totient is φ = 369600624.

The previous prime is 1108917223. The next prime is 1108917287. The reversal of 1108917228 is 8227198011.

It is not an unprimeable number, because it can be changed into a prime (1108917223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110550 + ... + 120162.

Almost surely, 2^1108917228 is an apocalyptic number.

It is an amenable number.

1108917228 is an abundant number, since it is smaller than the sum of its proper divisors (1478825496).

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

1108917228 is an frugal number, since it uses more digits than its factorization.

1108917228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19233 (or 9618 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 1108917228 is about 33300.4088263192. The cubic root of 1108917228 is about 1035.0620290020.

The spelling of 1108917228 in words is "one billion, one hundred eight million, nine hundred seventeen thousand, two hundred twenty-eight".