11223109 has 2 divisors, whose sum is σ = 11223110. Its totient is φ = 11223108.

The previous prime is 11223101. The next prime is 11223131. The reversal of 11223109 is 90132211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 1476225 = 3122^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223109 - 2³ = 11223101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11223101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611554 + 5611555.

It is an arithmetic number, because the mean of its divisors is an integer number (5611555).

Almost surely, 2^11223109 is an apocalyptic number.

It is an amenable number.

11223109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223109 is an equidigital number, since it uses as much as digits as its factorization.

11223109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11223109 is about 3350.0908942893. The cubic root of 11223109 is about 223.8915623632.

The spelling of 11223109 in words is "eleven million, two hundred twenty-three thousand, one hundred nine".