422246843 has 2 divisors, whose sum is σ = 422246844. Its totient is φ = 422246842.

The previous prime is 422246837. The next prime is 422246897. The reversal of 422246843 is 348642224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422246843 - 2⁴ = 422246827 is a prime.

It is not a weakly prime, because it can be changed into another prime (422240843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211123421 + 211123422.

It is an arithmetic number, because the mean of its divisors is an integer number (211123422).

Almost surely, 2^422246843 is an apocalyptic number.

422246843 is a deficient number, since it is larger than the sum of its proper divisors (1).

422246843 is an equidigital number, since it uses as much as digits as its factorization.

422246843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 35.

The square root of 422246843 is about 20548.6457704638. The cubic root of 422246843 is about 750.2202866994.

The spelling of 422246843 in words is "four hundred twenty-two million, two hundred forty-six thousand, eight hundred forty-three".