324221424 has 40 divisors (see below), whose sum is σ = 838791552. Its totient is φ = 107916480.

The previous prime is 324221407. The next prime is 324221437. The reversal of 324221424 is 424122423.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 324221394 and 324221403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31119 + ... + 40209.

Almost surely, 2^324221424 is an apocalyptic number.

It is an amenable number.

324221424 is an abundant number, since it is smaller than the sum of its proper divisors (514570128).

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

324221424 is a wasteful number, since it uses less digits than its factorization.

324221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845 (or 9839 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 324221424 is about 18006.1496161728. The cubic root of 324221424 is about 686.9849711418.

Adding to 324221424 its reverse (424122423), we get a palindrome (748343847).

Subtracting 324221424 from its reverse (424122423), we obtain a palindrome (99900999).

The spelling of 324221424 in words is "three hundred twenty-four million, two hundred twenty-one thousand, four hundred twenty-four".