422766349 has 2 divisors, whose sum is σ = 422766350. Its totient is φ = 422766348.

The previous prime is 422766301. The next prime is 422766361. The reversal of 422766349 is 943667224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261857124 + 160909225 = 16182^2 + 12685^2 .

It is a cyclic number.

It is not a de Polignac number, because 422766349 - 2¹⁷ = 422635277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422761349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211383174 + 211383175.

It is an arithmetic number, because the mean of its divisors is an integer number (211383175).

Almost surely, 2^422766349 is an apocalyptic number.

It is an amenable number.

422766349 is a deficient number, since it is larger than the sum of its proper divisors (1).

422766349 is an equidigital number, since it uses as much as digits as its factorization.

422766349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 422766349 is about 20561.2827664035. The cubic root of 422766349 is about 750.5278352476.

The spelling of 422766349 in words is "four hundred twenty-two million, seven hundred sixty-six thousand, three hundred forty-nine".