422311343 has 2 divisors, whose sum is σ = 422311344. Its totient is φ = 422311342.

The previous prime is 422311339. The next prime is 422311361. The reversal of 422311343 is 343113224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422311343 - 2² = 422311339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211155671 + 211155672.

It is an arithmetic number, because the mean of its divisors is an integer number (211155672).

Almost surely, 2^422311343 is an apocalyptic number.

422311343 is a deficient number, since it is larger than the sum of its proper divisors (1).

422311343 is an equidigital number, since it uses as much as digits as its factorization.

422311343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 422311343 is about 20550.2151570245. The cubic root of 422311343 is about 750.2584845337.

Adding to 422311343 its reverse (343113224), we get a palindrome (765424567).

The spelling of 422311343 in words is "four hundred twenty-two million, three hundred eleven thousand, three hundred forty-three".