22023321 has 8 divisors (see below), whose sum is σ = 29439264. Its totient is φ = 14644800.

The previous prime is 22023319. The next prime is 22023329. The reversal of 22023321 is 12332022.

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

It is not a de Polignac number, because 22023321 - 2¹ = 22023319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22023321.

It is not an unprimeable number, because it can be changed into a prime (22023329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7951 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (3679908).

Almost surely, 2^22023321 is an apocalyptic number.

It is an amenable number.

22023321 is a deficient number, since it is larger than the sum of its proper divisors (7415943).

22023321 is a wasteful number, since it uses less digits than its factorization.

22023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22023321 is about 4692.9011283001. The cubic root of 22023321 is about 280.3029077364.

Adding to 22023321 its reverse (12332022), we get a palindrome (34355343).

The spelling of 22023321 in words is "twenty-two million, twenty-three thousand, three hundred twenty-one".