111274228 has 24 divisors (see below), whose sum is σ = 210286440. Its totient is φ = 51216000.

The previous prime is 111274223. The next prime is 111274259. The reversal of 111274228 is 822472111.

It can be written as a sum of positive squares in 4 ways, for example, as 15586704 + 95687524 = 3948^2 + 9782^2 .

It is a super-3 number, since 3×111274228³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111274196 and 111274205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111274223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17478 + ... + 22978.

It is an arithmetic number, because the mean of its divisors is an integer number (8761935).

Almost surely, 2^111274228 is an apocalyptic number.

It is an amenable number.

111274228 is a deficient number, since it is larger than the sum of its proper divisors (99012212).

111274228 is a wasteful number, since it uses less digits than its factorization.

111274228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907 (or 5905 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 111274228 is about 10548.6600096884. The cubic root of 111274228 is about 480.9849970035.

The spelling of 111274228 in words is "one hundred eleven million, two hundred seventy-four thousand, two hundred twenty-eight".