1109889223 has 2 divisors, whose sum is σ = 1109889224. Its totient is φ = 1109889222.

The previous prime is 1109889203. The next prime is 1109889227. The reversal of 1109889223 is 3229889011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109889223 - 2⁹ = 1109888711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1109889223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109889227) by changing a digit.

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 as a sum of consecutive naturals, namely, 554944611 + 554944612.

It is an arithmetic number, because the mean of its divisors is an integer number (554944612).

Almost surely, 2^1109889223 is an apocalyptic number.

1109889223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109889223 is an equidigital number, since it uses as much as digits as its factorization.

1109889223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 1109889223 is about 33314.9999699835. Note that the first 4 decimals coincide. The cubic root of 1109889223 is about 1035.3643603465.

The spelling of 1109889223 in words is "one billion, one hundred nine million, eight hundred eighty-nine thousand, two hundred twenty-three".