22318329 has 12 divisors (see below), whose sum is σ = 32709488. Its totient is φ = 13526040.

The previous prime is 22318319. The next prime is 22318367. The reversal of 22318329 is 92381322.

It is a happy number.

It is not a de Polignac number, because 22318329 - 2¹⁵ = 22285561 is a prime.

It is a super-3 number, since 3×22318329³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22318296 and 22318305.

It is not an unprimeable number, because it can be changed into a prime (22318319) 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 11 ways as a sum of consecutive naturals, for example, 30379 + ... + 31104.

Almost surely, 2^22318329 is an apocalyptic number.

It is an amenable number.

22318329 is a deficient number, since it is larger than the sum of its proper divisors (10391159).

22318329 is a wasteful number, since it uses less digits than its factorization.

22318329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61508 (or 61497 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 22318329 is about 4724.2278734202. The cubic root of 22318329 is about 281.5489368675.

The spelling of 22318329 in words is "twenty-two million, three hundred eighteen thousand, three hundred twenty-nine".