22162609 has 8 divisors (see below), whose sum is σ = 25357760. Its totient is φ = 18974736.

The previous prime is 22162573. The next prime is 22162619. The reversal of 22162609 is 90626122.

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 22162609 - 2²³ = 13774001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22162619) 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 7 ways as a sum of consecutive naturals, for example, 9082 + ... + 11260.

It is an arithmetic number, because the mean of its divisors is an integer number (3169720).

Almost surely, 2^22162609 is an apocalyptic number.

It is an amenable number.

22162609 is a deficient number, since it is larger than the sum of its proper divisors (3195151).

22162609 is a wasteful number, since it uses less digits than its factorization.

22162609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22162609 is about 4707.7180246909. The cubic root of 22162609 is about 280.8925979368.

The spelling of 22162609 in words is "twenty-two million, one hundred sixty-two thousand, six hundred nine".