22020233321 has 2 divisors, whose sum is σ = 22020233322. Its totient is φ = 22020233320.

The previous prime is 22020233303. The next prime is 22020233329. The reversal of 22020233321 is 12333202022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14746702096 + 7273531225 = 121436^2 + 85285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020233321 is a prime.

It is a super-2 number, since 2×22020233321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22020233293 and 22020233302.

It is not a weakly prime, because it can be changed into another prime (22020233329) 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 as a sum of consecutive naturals, namely, 11010116660 + 11010116661.

It is an arithmetic number, because the mean of its divisors is an integer number (11010116661).

Almost surely, 2^22020233321 is an apocalyptic number.

It is an amenable number.

22020233321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020233321 is an equidigital number, since it uses as much as digits as its factorization.

22020233321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22020233321 its reverse (12333202022), we get a palindrome (34353435343).

The spelling of 22020233321 in words is "twenty-two billion, twenty million, two hundred thirty-three thousand, three hundred twenty-one".