22347329 has 8 divisors (see below), whose sum is σ = 23386752. Its totient is φ = 21313600.

The previous prime is 22347319. The next prime is 22347341. The reversal of 22347329 is 92374322.

It is a happy number.

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 22347329 - 2¹⁶ = 22281793 is a prime.

It is a super-2 number, since 2×22347329² = 998806226868482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22347295 and 22347304.

It is not an unprimeable number, because it can be changed into a prime (22347319) 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, 8012 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (2923344).

Almost surely, 2^22347329 is an apocalyptic number.

It is an amenable number.

22347329 is a deficient number, since it is larger than the sum of its proper divisors (1039423).

22347329 is a wasteful number, since it uses less digits than its factorization.

22347329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847.

The product of its digits is 18144, while the sum is 32.

The square root of 22347329 is about 4727.2961616552. The cubic root of 22347329 is about 281.6708304805.

The spelling of 22347329 in words is "twenty-two million, three hundred forty-seven thousand, three hundred twenty-nine".