320455225 has 24 divisors (see below), whose sum is σ = 406581120. Its totient is φ = 250461120.

The previous prime is 320455207. The next prime is 320455241. The reversal of 320455225 is 522554023.

It is not a de Polignac number, because 320455225 - 2⁹ = 320454713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320455193 and 320455202.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 485946 + ... + 486604.

It is an arithmetic number, because the mean of its divisors is an integer number (16940880).

Almost surely, 2^320455225 is an apocalyptic number.

It is an amenable number.

320455225 is a deficient number, since it is larger than the sum of its proper divisors (86125895).

320455225 is a wasteful number, since it uses less digits than its factorization.

320455225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 320455225 is about 17901.2632235829. The cubic root of 320455225 is about 684.3145682410.

The spelling of 320455225 in words is "three hundred twenty million, four hundred fifty-five thousand, two hundred twenty-five".