325224012 has 12 divisors (see below), whose sum is σ = 758856056. Its totient is φ = 108408000.

The previous prime is 325223981. The next prime is 325224019. The reversal of 325224012 is 210422523.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×325224012² = 211541315962752288, 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 325224012.

It is not an unprimeable number, because it can be changed into a prime (325224019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13550989 + ... + 13551012.

Almost surely, 2^325224012 is an apocalyptic number.

It is an amenable number.

325224012 is an abundant number, since it is smaller than the sum of its proper divisors (433632044).

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

325224012 is a wasteful number, since it uses less digits than its factorization.

325224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102008 (or 27102006 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 325224012 is about 18033.9682821059. The cubic root of 325224012 is about 687.6923623483.

Adding to 325224012 its reverse (210422523), we get a palindrome (535646535).

The spelling of 325224012 in words is "three hundred twenty-five million, two hundred twenty-four thousand, twelve".