422437262809 has 2 divisors, whose sum is σ = 422437262810. Its totient is φ = 422437262808.

The previous prime is 422437262773. The next prime is 422437262837. The reversal of 422437262809 is 908262734224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215778830400 + 206658432409 = 464520^2 + 454597^2 .

It is a cyclic number.

It is not a de Polignac number, because 422437262809 - 2¹⁷ = 422437131737 is a prime.

It is not a weakly prime, because it can be changed into another prime (422437262209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211218631404 + 211218631405.

It is an arithmetic number, because the mean of its divisors is an integer number (211218631405).

Almost surely, 2^422437262809 is an apocalyptic number.

It is an amenable number.

422437262809 is a deficient number, since it is larger than the sum of its proper divisors (1).

422437262809 is an equidigital number, since it uses as much as digits as its factorization.

422437262809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 422437262809 in words is "four hundred twenty-two billion, four hundred thirty-seven million, two hundred sixty-two thousand, eight hundred nine".