111228826 has 4 divisors (see below), whose sum is σ = 166843242. Its totient is φ = 55614412.

The previous prime is 111228823. The next prime is 111228827. The reversal of 111228826 is 628822111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104019601 + 7209225 = 10199^2 + 2685^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (111228823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27807205 + ... + 27807208.

Almost surely, 2^111228826 is an apocalyptic number.

111228826 is a deficient number, since it is larger than the sum of its proper divisors (55614416).

111228826 is an equidigital number, since it uses as much as digits as its factorization.

111228826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55614415.

The product of its digits is 3072, while the sum is 31.

The square root of 111228826 is about 10546.5077632361. The cubic root of 111228826 is about 480.9195710974.

The spelling of 111228826 in words is "one hundred eleven million, two hundred twenty-eight thousand, eight hundred twenty-six".