320225455 has 16 divisors (see below), whose sum is σ = 423281664. Its totient is φ = 230626080.

The previous prime is 320225431. The next prime is 320225459. The reversal of 320225455 is 554522023.

It is not a de Polignac number, because 320225455 - 2⁷ = 320225327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320225459) 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, 22599 + ... + 33928.

It is an arithmetic number, because the mean of its divisors is an integer number (26455104).

Almost surely, 2^320225455 is an apocalyptic number.

320225455 is a deficient number, since it is larger than the sum of its proper divisors (103056209).

320225455 is a wasteful number, since it uses less digits than its factorization.

320225455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56646.

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

The square root of 320225455 is about 17894.8443692590. The cubic root of 320225455 is about 684.1509753886.

Adding to 320225455 its reverse (554522023), we get a palindrome (874747478).

The spelling of 320225455 in words is "three hundred twenty million, two hundred twenty-five thousand, four hundred fifty-five".