422411243 has 2 divisors, whose sum is σ = 422411244. Its totient is φ = 422411242.

The previous prime is 422411237. The next prime is 422411251. The reversal of 422411243 is 342114224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422411243 is a prime.

It is not a weakly prime, because it can be changed into another prime (422411263) 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, 211205621 + 211205622.

It is an arithmetic number, because the mean of its divisors is an integer number (211205622).

Almost surely, 2^422411243 is an apocalyptic number.

422411243 is a deficient number, since it is larger than the sum of its proper divisors (1).

422411243 is an equidigital number, since it uses as much as digits as its factorization.

422411243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 422411243 is about 20552.6456447826. The cubic root of 422411243 is about 750.3176390845.

Adding to 422411243 its reverse (342114224), we get a palindrome (764525467).

The spelling of 422411243 in words is "four hundred twenty-two million, four hundred eleven thousand, two hundred forty-three".