325112220 has 72 divisors (see below), whose sum is σ = 987700896. Its totient is φ = 86562432.

The previous prime is 325112209. The next prime is 325112237. The reversal of 325112220 is 22211523.

325112220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 325112193 and 325112202.

It is a congruent number.

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, 181449 + ... + 183231.

It is an arithmetic number, because the mean of its divisors is an integer number (13718068).

Almost surely, 2^325112220 is an apocalyptic number.

325112220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325112220 is an abundant number, since it is smaller than the sum of its proper divisors (662588676).

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

325112220 is a wasteful number, since it uses less digits than its factorization.

325112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 325112220 is about 18030.8685314934. The cubic root of 325112220 is about 687.6135578812.

Adding to 325112220 its reverse (22211523), we get a palindrome (347323743).

The spelling of 325112220 in words is "three hundred twenty-five million, one hundred twelve thousand, two hundred twenty".