422246353 has 2 divisors, whose sum is σ = 422246354. Its totient is φ = 422246352.

The previous prime is 422246317. The next prime is 422246371. The reversal of 422246353 is 353642224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226442304 + 195804049 = 15048^2 + 13993^2 .

It is a cyclic number.

It is not a de Polignac number, because 422246353 - 2²¹ = 420149201 is a prime.

It is not a weakly prime, because it can be changed into another prime (422276353) 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, 211123176 + 211123177.

It is an arithmetic number, because the mean of its divisors is an integer number (211123177).

Almost surely, 2^422246353 is an apocalyptic number.

It is an amenable number.

422246353 is a deficient number, since it is larger than the sum of its proper divisors (1).

422246353 is an equidigital number, since it uses as much as digits as its factorization.

422246353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 31.

The square root of 422246353 is about 20548.6338475335. The cubic root of 422246353 is about 750.2199964994.

Adding to 422246353 its reverse (353642224), we get a palindrome (775888577).

The spelling of 422246353 in words is "four hundred twenty-two million, two hundred forty-six thousand, three hundred fifty-three".