320022413 has 2 divisors, whose sum is σ = 320022414. Its totient is φ = 320022412.

The previous prime is 320022401. The next prime is 320022473. The reversal of 320022413 is 314220023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313042249 + 6980164 = 17693^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 320022413 - 2⁴ = 320022397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320022391 and 320022400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320022473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160011206 + 160011207.

It is an arithmetic number, because the mean of its divisors is an integer number (160011207).

Almost surely, 2^320022413 is an apocalyptic number.

It is an amenable number.

320022413 is a deficient number, since it is larger than the sum of its proper divisors (1).

320022413 is an equidigital number, since it uses as much as digits as its factorization.

320022413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320022413 is about 17889.1702714240. The cubic root of 320022413 is about 684.0063473357.

Adding to 320022413 its reverse (314220023), we get a palindrome (634242436).

The spelling of 320022413 in words is "three hundred twenty million, twenty-two thousand, four hundred thirteen".