422326213 has 2 divisors, whose sum is σ = 422326214. Its totient is φ = 422326212.

The previous prime is 422326193. The next prime is 422326279. The reversal of 422326213 is 312623224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422014849 + 311364 = 20543^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 422326213 - 2¹⁷ = 422195141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422326283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211163106 + 211163107.

It is an arithmetic number, because the mean of its divisors is an integer number (211163107).

Almost surely, 2^422326213 is an apocalyptic number.

It is an amenable number.

422326213 is a deficient number, since it is larger than the sum of its proper divisors (1).

422326213 is an equidigital number, since it uses as much as digits as its factorization.

422326213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 422326213 is about 20550.5769505384. The cubic root of 422326213 is about 750.2672902114.

Adding to 422326213 its reverse (312623224), we get a palindrome (734949437).

The spelling of 422326213 in words is "four hundred twenty-two million, three hundred twenty-six thousand, two hundred thirteen".