422324209 has 2 divisors, whose sum is σ = 422324210. Its totient is φ = 422324208.

The previous prime is 422324143. The next prime is 422324213. The reversal of 422324209 is 902423224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412211809 + 10112400 = 20303^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 422324209 - 2¹³ = 422316017 is a prime.

It is not a weakly prime, because it can be changed into another prime (422324239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211162104 + 211162105.

It is an arithmetic number, because the mean of its divisors is an integer number (211162105).

Almost surely, 2^422324209 is an apocalyptic number.

It is an amenable number.

422324209 is a deficient number, since it is larger than the sum of its proper divisors (1).

422324209 is an equidigital number, since it uses as much as digits as its factorization.

422324209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 422324209 is about 20550.5281927254. The cubic root of 422324209 is about 750.2661035000.

The spelling of 422324209 in words is "four hundred twenty-two million, three hundred twenty-four thousand, two hundred nine".