325224440 has 16 divisors (see below), whose sum is σ = 731755080. Its totient is φ = 130089760.

The previous prime is 325224421. The next prime is 325224451. The reversal of 325224440 is 44422523.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4065266 + ... + 4065345.

Almost surely, 2^325224440 is an apocalyptic number.

It is an amenable number.

325224440 is an abundant number, since it is smaller than the sum of its proper divisors (406530640).

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

325224440 is a wasteful number, since it uses less digits than its factorization.

325224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130622 (or 8130618 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 325224440 is about 18033.9801485973. The cubic root of 325224440 is about 687.6926640196.

Adding to 325224440 its reverse (44422523), we get a palindrome (369646963).

The spelling of 325224440 in words is "three hundred twenty-five million, two hundred twenty-four thousand, four hundred forty".