1109889226 has 16 divisors (see below), whose sum is σ = 1689245064. Its totient is φ = 546822144.

The previous prime is 1109889223. The next prime is 1109889227. The reversal of 1109889226 is 6229889011.

It is a Cunningham number, because it is equal to 33315²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 729054001 + 380835225 = 27001^2 + 19515^2 .

It is not an unprimeable number, because it can be changed into a prime (1109889223) 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, 183466 + ... + 189418.

Almost surely, 2^1109889226 is an apocalyptic number.

1109889226 is a deficient number, since it is larger than the sum of its proper divisors (579355838).

1109889226 is a wasteful number, since it uses less digits than its factorization.

1109889226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1109889226 is about 33315.0000150083. Note that the first 4 decimals coincide. The cubic root of 1109889226 is about 1035.3643612794.

The spelling of 1109889226 in words is "one billion, one hundred nine million, eight hundred eighty-nine thousand, two hundred twenty-six".