22318323 has 8 divisors (see below), whose sum is σ = 29784000. Its totient is φ = 14865768.

The previous prime is 22318319. The next prime is 22318367. The reversal of 22318323 is 32381322.

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

It is not a de Polignac number, because 22318323 - 2² = 22318319 is a prime.

It is a super-4 number, since 4×22318323⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a junction number, because it is equal to n+sod(n) for n = 22318293 and 22318302.

It is not an unprimeable number, because it can be changed into a prime (22318423) 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, 1828 + ... + 6926.

It is an arithmetic number, because the mean of its divisors is an integer number (3723000).

Almost surely, 2^22318323 is an apocalyptic number.

22318323 is a deficient number, since it is larger than the sum of its proper divisors (7465677).

22318323 is a wasteful number, since it uses less digits than its factorization.

22318323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561.

The product of its digits is 1728, while the sum is 24.

The square root of 22318323 is about 4724.2272383957. The cubic root of 22318323 is about 281.5489116372.

Adding to 22318323 its reverse (32381322), we get a palindrome (54699645).

The spelling of 22318323 in words is "twenty-two million, three hundred eighteen thousand, three hundred twenty-three".