320224421947 has 2 divisors, whose sum is σ = 320224421948. Its totient is φ = 320224421946.

The previous prime is 320224421911. The next prime is 320224421977. The reversal of 320224421947 is 749124422023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320224421947 - 2¹¹ = 320224419899 is a prime.

It is a super-2 number, since 2×320224421947² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320224421977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160112210973 + 160112210974.

It is an arithmetic number, because the mean of its divisors is an integer number (160112210974).

Almost surely, 2^320224421947 is an apocalyptic number.

320224421947 is a deficient number, since it is larger than the sum of its proper divisors (1).

320224421947 is an equidigital number, since it uses as much as digits as its factorization.

320224421947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 320224421947 in words is "three hundred twenty billion, two hundred twenty-four million, four hundred twenty-one thousand, nine hundred forty-seven".