20222332321 has 4 divisors (see below), whose sum is σ = 20227926852. Its totient is φ = 20216737792.

The previous prime is 20222332289. The next prime is 20222332327. The reversal of 20222332321 is 12323322202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2760031296 + 17462301025 = 52536^2 + 132145^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222332321 - 2⁵ = 20222332289 is a prime.

It is a super-2 number, since 2×20222332321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222332292 and 20222332301.

It is not an unprimeable number, because it can be changed into a prime (20222332327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791840 + ... + 2799073.

It is an arithmetic number, because the mean of its divisors is an integer number (5056981713).

Almost surely, 2^20222332321 is an apocalyptic number.

It is an amenable number.

20222332321 is a deficient number, since it is larger than the sum of its proper divisors (5594531).

20222332321 is an equidigital number, since it uses as much as digits as its factorization.

20222332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594530.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20222332321 its reverse (12323322202), we get a palindrome (32545654523).

The spelling of 20222332321 in words is "twenty billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty-one".