22143329 has 8 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 20247696.

The previous prime is 22143311. The next prime is 22143343. The reversal of 22143329 is 92334122.

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 22143329 - 2⁸ = 22143073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22143298 and 22143307.

It is not an unprimeable number, because it can be changed into a prime (22143389) 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, 6569 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (3008880).

Almost surely, 2^22143329 is an apocalyptic number.

It is an amenable number.

22143329 is a deficient number, since it is larger than the sum of its proper divisors (1927711).

22143329 is a wasteful number, since it uses less digits than its factorization.

22143329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16039.

The product of its digits is 2592, while the sum is 26.

The square root of 22143329 is about 4705.6698779239. The cubic root of 22143329 is about 280.8111216621.

The spelling of 22143329 in words is "twenty-two million, one hundred forty-three thousand, three hundred twenty-nine".