22649109 has 16 divisors (see below), whose sum is σ = 34581120. Its totient is φ = 12916800.

The previous prime is 22649059. The next prime is 22649119. The reversal of 22649109 is 90194622.

It is not a de Polignac number, because 22649109 - 2⁸ = 22648853 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22649109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22649119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16759 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (2161320).

Almost surely, 2^22649109 is an apocalyptic number.

It is an amenable number.

22649109 is a deficient number, since it is larger than the sum of its proper divisors (11932011).

22649109 is a wasteful number, since it uses less digits than its factorization.

22649109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 22649109 is about 4759.1080046580. The cubic root of 22649109 is about 282.9330669495.

The spelling of 22649109 in words is "twenty-two million, six hundred forty-nine thousand, one hundred nine".