325443220 has 24 divisors (see below), whose sum is σ = 706998600. Its totient is φ = 125688192.

The previous prime is 325443211. The next prime is 325443227. The reversal of 325443220 is 22344523.

It can be written as a sum of positive squares in 4 ways, for example, as 110586256 + 214856964 = 10516^2 + 14658^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325443227) 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, 279975 + ... + 281134.

It is an arithmetic number, because the mean of its divisors is an integer number (29458275).

Almost surely, 2^325443220 is an apocalyptic number.

It is an amenable number.

325443220 is an abundant number, since it is smaller than the sum of its proper divisors (381555380).

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

325443220 is a wasteful number, since it uses less digits than its factorization.

325443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561147 (or 561145 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 325443220 is about 18040.0449001659. The cubic root of 325443220 is about 687.8468341436.

Adding to 325443220 its reverse (22344523), we get a palindrome (347787743).

The spelling of 325443220 in words is "three hundred twenty-five million, four hundred forty-three thousand, two hundred twenty".