222341321 has 2 divisors, whose sum is σ = 222341322. Its totient is φ = 222341320.

The previous prime is 222341303. The next prime is 222341333. The reversal of 222341321 is 123143222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168480400 + 53860921 = 12980^2 + 7339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222341321 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222341293 and 222341302.

It is not a weakly prime, because it can be changed into another prime (222341221) 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, 111170660 + 111170661.

It is an arithmetic number, because the mean of its divisors is an integer number (111170661).

Almost surely, 2^222341321 is an apocalyptic number.

It is an amenable number.

222341321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222341321 is an equidigital number, since it uses as much as digits as its factorization.

222341321 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 222341321 is about 14911.1140093556. The cubic root of 222341321 is about 605.8150533727.

Adding to 222341321 its reverse (123143222), we get a palindrome (345484543).

The spelling of 222341321 in words is "two hundred twenty-two million, three hundred forty-one thousand, three hundred twenty-one".