325730224 has 40 divisors (see below), whose sum is σ = 665733680. Its totient is φ = 153964800.

The previous prime is 325730219. The next prime is 325730227. The reversal of 325730224 is 422037523.

It is a super-2 number, since 2×325730224² = 212200357654180352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325730192 and 325730201.

It is not an unprimeable number, because it can be changed into a prime (325730227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200134 + ... + 201754.

It is an arithmetic number, because the mean of its divisors is an integer number (16643342).

Almost surely, 2^325730224 is an apocalyptic number.

It is an amenable number.

325730224 is an abundant number, since it is smaller than the sum of its proper divisors (340003456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325730224 is a wasteful number, since it uses less digits than its factorization.

325730224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 325730224 is about 18047.9977836878. The cubic root of 325730224 is about 688.0489756915.

Adding to 325730224 its reverse (422037523), we get a palindrome (747767747).

The spelling of 325730224 in words is "three hundred twenty-five million, seven hundred thirty thousand, two hundred twenty-four".