11222609 has 8 divisors (see below), whose sum is σ = 11440128. Its totient is φ = 11007360.

The previous prime is 11222599. The next prime is 11222621. The reversal of 11222609 is 90622211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222609 - 2¹⁶ = 11157073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222209) 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 in 7 ways as a sum of consecutive naturals, for example, 11864 + ... + 12774.

It is an arithmetic number, because the mean of its divisors is an integer number (1430016).

Almost surely, 2^11222609 is an apocalyptic number.

It is an amenable number.

11222609 is a deficient number, since it is larger than the sum of its proper divisors (217519).

11222609 is an equidigital number, since it uses as much as digits as its factorization.

11222609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11222609 is about 3350.0162686172. The cubic root of 11222609 is about 223.8882374544. Note that the first 3 decimals are identical.

The spelling of 11222609 in words is "eleven million, two hundred twenty-two thousand, six hundred nine".