322009 has 2 divisors, whose sum is σ = 322010. Its totient is φ = 322008.

The previous prime is 322001. The next prime is 322013. The reversal of 322009 is 900223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 99225 = 472^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 322009 - 2³ = 322001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321983 and 322001.

It is not a weakly prime, because it can be changed into another prime (322001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161004 + 161005.

It is an arithmetic number, because the mean of its divisors is an integer number (161005).

2³²²⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

322009 is an equidigital number, since it uses as much as digits as its factorization.

322009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 322009 is about 567.4583685170. The cubic root of 322009 is about 68.5418785954.

The spelling of 322009 in words is "three hundred twenty-two thousand, nine".