422716249 has 2 divisors, whose sum is σ = 422716250. Its totient is φ = 422716248.

The previous prime is 422716243. The next prime is 422716303. The reversal of 422716249 is 942617224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340033600 + 82682649 = 18440^2 + 9093^2 .

It is a cyclic number.

It is not a de Polignac number, because 422716249 - 2⁹ = 422715737 is a prime.

It is not a weakly prime, because it can be changed into another prime (422716243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211358124 + 211358125.

It is an arithmetic number, because the mean of its divisors is an integer number (211358125).

Almost surely, 2^422716249 is an apocalyptic number.

It is an amenable number.

422716249 is a deficient number, since it is larger than the sum of its proper divisors (1).

422716249 is an equidigital number, since it uses as much as digits as its factorization.

422716249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 422716249 is about 20560.0644211053. The cubic root of 422716249 is about 750.4981869324.

The spelling of 422716249 in words is "four hundred twenty-two million, seven hundred sixteen thousand, two hundred forty-nine".