312222341 has 2 divisors, whose sum is σ = 312222342. Its totient is φ = 312222340.

The previous prime is 312222331. The next prime is 312222343. The reversal of 312222341 is 143222213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226382116 + 85840225 = 15046^2 + 9265^2 .

It is a cyclic number.

It is not a de Polignac number, because 312222341 - 2¹⁰ = 312221317 is a prime.

Together with 312222343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312222343) 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, 156111170 + 156111171.

It is an arithmetic number, because the mean of its divisors is an integer number (156111171).

Almost surely, 2^312222341 is an apocalyptic number.

It is an amenable number.

312222341 is a deficient number, since it is larger than the sum of its proper divisors (1).

312222341 is an equidigital number, since it uses as much as digits as its factorization.

312222341 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 312222341 is about 17669.8144019681. The cubic root of 312222341 is about 678.4033625996.

Adding to 312222341 its reverse (143222213), we get a palindrome (455444554).

The spelling of 312222341 in words is "three hundred twelve million, two hundred twenty-two thousand, three hundred forty-one".