422243 has 2 divisors, whose sum is σ = 422244. Its totient is φ = 422242.

The previous prime is 422239. The next prime is 422249. The reversal of 422243 is 342224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422243 - 2² = 422239 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2⁷ + 2¹³ + 2¹⁷ + 4⁹ + 3⁹ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422243.

It is not a weakly prime, because it can be changed into another prime (422249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211121 + 211122.

It is an arithmetic number, because the mean of its divisors is an integer number (211122).

2⁴²²²⁴³ is an apocalyptic number.

422243 is a deficient number, since it is larger than the sum of its proper divisors (1).

422243 is an equidigital number, since it uses as much as digits as its factorization.

422243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 17.

The square root of 422243 is about 649.8022776199. The cubic root of 422243 is about 75.0218010696.

Adding to 422243 its reverse (342224), we get a palindrome (764467).

The spelling of 422243 in words is "four hundred twenty-two thousand, two hundred forty-three", and thus it is an iban number.