222323141 has 2 divisors, whose sum is σ = 222323142. Its totient is φ = 222323140.

The previous prime is 222323117. The next prime is 222323149. The reversal of 222323141 is 141323222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147136900 + 75186241 = 12130^2 + 8671^2 .

It is a cyclic number.

It is not a de Polignac number, because 222323141 - 2¹⁸ = 222060997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222323149) 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, 111161570 + 111161571.

It is an arithmetic number, because the mean of its divisors is an integer number (111161571).

Almost surely, 2^222323141 is an apocalyptic number.

It is an amenable number.

222323141 is a deficient number, since it is larger than the sum of its proper divisors (1).

222323141 is an equidigital number, since it uses as much as digits as its factorization.

222323141 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 222323141 is about 14910.5043844935. The cubic root of 222323141 is about 605.7985411955.

Adding to 222323141 its reverse (141323222), we get a palindrome (363646363).

The spelling of 222323141 in words is "two hundred twenty-two million, three hundred twenty-three thousand, one hundred forty-one".