22318109 has 8 divisors (see below), whose sum is σ = 25132800. Its totient is φ = 19634400.

The previous prime is 22318099. The next prime is 22318117. The reversal of 22318109 is 90181322.

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 22318109 - 2⁸ = 22317853 is a prime.

It is a super-3 number, since 3×22318109³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22318189) 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, 32384 + ... + 33065.

It is an arithmetic number, because the mean of its divisors is an integer number (3141600).

Almost surely, 2^22318109 is an apocalyptic number.

It is an amenable number.

22318109 is a deficient number, since it is larger than the sum of its proper divisors (2814691).

22318109 is a wasteful number, since it uses less digits than its factorization.

22318109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65491.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22318109 is about 4724.2045891346. The cubic root of 22318109 is about 281.5480117539.

The spelling of 22318109 in words is "twenty-two million, three hundred eighteen thousand, one hundred nine".