2122223321 has 2 divisors, whose sum is σ = 2122223322. Its totient is φ = 2122223320.

The previous prime is 2122223293. The next prime is 2122223329. The reversal of 2122223321 is 1233222212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1821582400 + 300640921 = 42680^2 + 17339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122223321 - 2¹⁴ = 2122206937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122223293 and 2122223302.

It is not a weakly prime, because it can be changed into another prime (2122223329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061111660 + 1061111661.

It is an arithmetic number, because the mean of its divisors is an integer number (1061111661).

Almost surely, 2^2122223321 is an apocalyptic number.

It is an amenable number.

2122223321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122223321 is an equidigital number, since it uses as much as digits as its factorization.

2122223321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 2122223321 is about 46067.5951293314. The cubic root of 2122223321 is about 1285.0805807745.

Adding to 2122223321 its reverse (1233222212), we get a palindrome (3355445533).

The spelling of 2122223321 in words is "two billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred twenty-one".