422403043 has 2 divisors, whose sum is σ = 422403044. Its totient is φ = 422403042.

The previous prime is 422403011. The next prime is 422403071. The reversal of 422403043 is 340304224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422403043 - 2⁵ = 422403011 is a prime.

It is not a weakly prime, because it can be changed into another prime (422407043) 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, 211201521 + 211201522.

It is an arithmetic number, because the mean of its divisors is an integer number (211201522).

Almost surely, 2^422403043 is an apocalyptic number.

422403043 is a deficient number, since it is larger than the sum of its proper divisors (1).

422403043 is an equidigital number, since it uses as much as digits as its factorization.

422403043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 422403043 is about 20552.4461561148. The cubic root of 422403043 is about 750.3127839072.

Adding to 422403043 its reverse (340304224), we get a palindrome (762707267).

The spelling of 422403043 in words is "four hundred twenty-two million, four hundred three thousand, forty-three".