320224401 has 16 divisors (see below), whose sum is σ = 542179200. Its totient is φ = 182985264.

The previous prime is 320224379. The next prime is 320224453. The reversal of 320224401 is 104422023.

It is not a de Polignac number, because 320224401 - 2⁵ = 320224369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320224481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846966 + ... + 847343.

It is an arithmetic number, because the mean of its divisors is an integer number (33886200).

Almost surely, 2^320224401 is an apocalyptic number.

It is an amenable number.

320224401 is a deficient number, since it is larger than the sum of its proper divisors (221954799).

320224401 is a wasteful number, since it uses less digits than its factorization.

320224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694325 (or 1694319 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 320224401 is about 17894.8149194117. The cubic root of 320224401 is about 684.1502247758.

Adding to 320224401 its reverse (104422023), we get a palindrome (424646424).

The spelling of 320224401 in words is "three hundred twenty million, two hundred twenty-four thousand, four hundred one".