2222321329 has 2 divisors, whose sum is σ = 2222321330. Its totient is φ = 2222321328.

The previous prime is 2222321327. The next prime is 2222321357. The reversal of 2222321329 is 9231232222.

It is an a-pointer prime, because the next prime (2222321357) can be obtained adding 2222321329 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2095533729 + 126787600 = 45777^2 + 11260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222321329 - 2¹ = 2222321327 is a prime.

Together with 2222321327, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2222321297 and 2222321306.

It is not a weakly prime, because it can be changed into another prime (2222321327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111160664 + 1111160665.

It is an arithmetic number, because the mean of its divisors is an integer number (1111160665).

Almost surely, 2^2222321329 is an apocalyptic number.

It is an amenable number.

2222321329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222321329 is an equidigital number, since it uses as much as digits as its factorization.

2222321329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 2222321329 is about 47141.5032535026. The cubic root of 2222321329 is about 1304.9752795971.

The spelling of 2222321329 in words is "two billion, two hundred twenty-two million, three hundred twenty-one thousand, three hundred twenty-nine".