11224109 has 4 divisors (see below), whose sum is σ = 12087516. Its totient is φ = 10360704.

The previous prime is 11224099. The next prime is 11224121. The reversal of 11224109 is 90142211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 3988009 = 2690^2 + 1997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11224109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11224159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431684 + ... + 431709.

It is an arithmetic number, because the mean of its divisors is an integer number (3021879).

Almost surely, 2^11224109 is an apocalyptic number.

It is an amenable number.

11224109 is a deficient number, since it is larger than the sum of its proper divisors (863407).

11224109 is an equidigital number, since it uses as much as digits as its factorization.

11224109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863406.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11224109 is about 3350.2401406466. The cubic root of 11224109 is about 223.8982118847.

The spelling of 11224109 in words is "eleven million, two hundred twenty-four thousand, one hundred nine".