320234225 has 12 divisors (see below), whose sum is σ = 398300400. Its totient is φ = 255406800.

The previous prime is 320234209. The next prime is 320234251. The reversal of 320234225 is 522432023.

It is not a de Polignac number, because 320234225 - 2⁴ = 320234209 is a prime.

It is a super-2 number, since 2×320234225² = 205099917722701250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320234225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11075 + ... + 27624.

It is an arithmetic number, because the mean of its divisors is an integer number (33191700).

Almost surely, 2^320234225 is an apocalyptic number.

It is an amenable number.

320234225 is a deficient number, since it is larger than the sum of its proper divisors (78066175).

320234225 is a wasteful number, since it uses less digits than its factorization.

320234225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39040 (or 39035 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 320234225 is about 17895.0894102265. The cubic root of 320234225 is about 684.1572209354.

Adding to 320234225 its reverse (522432023), we get a palindrome (842666248).

The spelling of 320234225 in words is "three hundred twenty million, two hundred thirty-four thousand, two hundred twenty-five".