4322009 has 2 divisors, whose sum is σ = 4322010. Its totient is φ = 4322008.

The previous prime is 4321997. The next prime is 4322027. The reversal of 4322009 is 9002234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4305625 + 16384 = 2075^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 4322009 - 2⁸ = 4321753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4322069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161004 + 2161005.

It is an arithmetic number, because the mean of its divisors is an integer number (2161005).

Almost surely, 2^4322009 is an apocalyptic number.

It is an amenable number.

4322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4322009 is an equidigital number, since it uses as much as digits as its factorization.

4322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4322009 is about 2078.9442031955. The cubic root of 4322009 is about 162.8902996803.

The spelling of 4322009 in words is "four million, three hundred twenty-two thousand, nine".