320224422509 has 2 divisors, whose sum is σ = 320224422510. Its totient is φ = 320224422508.

The previous prime is 320224422503. The next prime is 320224422523. The reversal of 320224422509 is 905224422023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320123982025 + 100440484 = 565795^2 + 10022^2 .

It is a cyclic number.

It is not a de Polignac number, because 320224422509 - 2²⁴ = 320207645293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320224422503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160112211254 + 160112211255.

It is an arithmetic number, because the mean of its divisors is an integer number (160112211255).

Almost surely, 2^320224422509 is an apocalyptic number.

It is an amenable number.

320224422509 is a deficient number, since it is larger than the sum of its proper divisors (1).

320224422509 is an equidigital number, since it uses as much as digits as its factorization.

320224422509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 320224422509 in words is "three hundred twenty billion, two hundred twenty-four million, four hundred twenty-two thousand, five hundred nine".