12422422009 has 2 divisors, whose sum is σ = 12422422010. Its totient is φ = 12422422008.

The previous prime is 12422421929. The next prime is 12422422031. The reversal of 12422422009 is 90022422421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7739072784 + 4683349225 = 87972^2 + 68435^2 .

It is a cyclic number.

It is not a de Polignac number, because 12422422009 - 2²⁵ = 12388867577 is a prime.

It is not a weakly prime, because it can be changed into another prime (12422422099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211211004 + 6211211005.

It is an arithmetic number, because the mean of its divisors is an integer number (6211211005).

Almost surely, 2^12422422009 is an apocalyptic number.

It is an amenable number.

12422422009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422422009 is an equidigital number, since it uses as much as digits as its factorization.

12422422009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 12422422009 in words is "twelve billion, four hundred twenty-two million, four hundred twenty-two thousand, nine".