22036609 has 8 divisors (see below), whose sum is σ = 25213760. Its totient is φ = 18866736.

The previous prime is 22036589. The next prime is 22036613. The reversal of 22036609 is 90663022.

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

It is not a de Polignac number, because 22036609 - 2⁷ = 22036481 is a prime.

It is a super-2 number, since 2×22036609² = 971224272437762, which contains 22 as substring.

It is a Duffinian number.

22036609 is a modest number, since divided by 6609 gives 2203 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22036649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8902 + ... + 11104.

It is an arithmetic number, because the mean of its divisors is an integer number (3151720).

Almost surely, 2^22036609 is an apocalyptic number.

It is an amenable number.

22036609 is a deficient number, since it is larger than the sum of its proper divisors (3177151).

22036609 is a wasteful number, since it uses less digits than its factorization.

22036609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 22036609 is about 4694.3166701875. The cubic root of 22036609 is about 280.3592709613.

The spelling of 22036609 in words is "twenty-two million, thirty-six thousand, six hundred nine".