422766241 has 2 divisors, whose sum is σ = 422766242. Its totient is φ = 422766240.

The previous prime is 422766191. The next prime is 422766301. The reversal of 422766241 is 142667224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365612641 + 57153600 = 19121^2 + 7560^2 .

It is a cyclic number.

It is not a de Polignac number, because 422766241 - 2²¹ = 420669089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422766197 and 422766206.

It is not a weakly prime, because it can be changed into another prime (422766041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211383120 + 211383121.

It is an arithmetic number, because the mean of its divisors is an integer number (211383121).

Almost surely, 2^422766241 is an apocalyptic number.

It is an amenable number.

422766241 is a deficient number, since it is larger than the sum of its proper divisors (1).

422766241 is an equidigital number, since it uses as much as digits as its factorization.

422766241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 422766241 is about 20561.2801401080. The cubic root of 422766241 is about 750.5277713376.

The spelling of 422766241 in words is "four hundred twenty-two million, seven hundred sixty-six thousand, two hundred forty-one".