111266228 has 12 divisors (see below), whose sum is σ = 194900160. Its totient is φ = 55580472.

The previous prime is 111266213. The next prime is 111266263. The reversal of 111266228 is 822662111.

It is a self number, because there is not a number n which added to its sum of digits gives 111266228.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8198 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (16241680).

Almost surely, 2^111266228 is an apocalyptic number.

It is an amenable number.

111266228 is a deficient number, since it is larger than the sum of its proper divisors (83633932).

111266228 is a wasteful number, since it uses less digits than its factorization.

111266228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26326 (or 26324 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 111266228 is about 10548.2808077904. The cubic root of 111266228 is about 480.9734700092.

The spelling of 111266228 in words is "one hundred eleven million, two hundred sixty-six thousand, two hundred twenty-eight".