324226656 has 72 divisors (see below), whose sum is σ = 992955600. Its totient is φ = 99760896.

The previous prime is 324226627. The next prime is 324226657. The reversal of 324226656 is 656622423.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 324226656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324226657) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 39556 + ... + 47043.

It is an arithmetic number, because the mean of its divisors is an integer number (13791050).

Almost surely, 2^324226656 is an apocalyptic number.

324226656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

324226656 is an abundant number, since it is smaller than the sum of its proper divisors (668728944).

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

324226656 is a wasteful number, since it uses less digits than its factorization.

324226656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86628 (or 86617 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 324226656 is about 18006.2948992845. The cubic root of 324226656 is about 686.9886664416.

The spelling of 324226656 in words is "three hundred twenty-four million, two hundred twenty-six thousand, six hundred fifty-six".