422249423 has 2 divisors, whose sum is σ = 422249424. Its totient is φ = 422249422.

The previous prime is 422249351. The next prime is 422249431. The reversal of 422249423 is 324942224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422249423 - 2¹⁰ = 422248399 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422249423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422249623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211124711 + 211124712.

It is an arithmetic number, because the mean of its divisors is an integer number (211124712).

Almost surely, 2^422249423 is an apocalyptic number.

422249423 is a deficient number, since it is larger than the sum of its proper divisors (1).

422249423 is an equidigital number, since it uses as much as digits as its factorization.

422249423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 32.

The square root of 422249423 is about 20548.7085482276. The cubic root of 422249423 is about 750.2218146875.

The spelling of 422249423 in words is "four hundred twenty-two million, two hundred forty-nine thousand, four hundred twenty-three".