22441609 has 8 divisors (see below), whose sum is σ = 23051520. Its totient is φ = 21840000.

The previous prime is 22441589. The next prime is 22441619. The reversal of 22441609 is 90614422.

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 22441609 - 2⁷ = 22441481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22441619) 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, 3609 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (2881440).

Almost surely, 2^22441609 is an apocalyptic number.

It is an amenable number.

22441609 is a deficient number, since it is larger than the sum of its proper divisors (609911).

22441609 is an equidigital number, since it uses as much as digits as its factorization.

22441609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22441609 is about 4737.2575399697. The cubic root of 22441609 is about 282.0663836140.

The spelling of 22441609 in words is "twenty-two million, four hundred forty-one thousand, six hundred nine".