324220404 has 24 divisors (see below), whose sum is σ = 756967680. Its totient is φ = 108008704.

The previous prime is 324220367. The next prime is 324220409. The reversal of 324220404 is 404022423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324220409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15517 + ... + 29819.

It is an arithmetic number, because the mean of its divisors is an integer number (31540320).

Almost surely, 2^324220404 is an apocalyptic number.

It is an amenable number.

324220404 is an abundant number, since it is smaller than the sum of its proper divisors (432747276).

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

324220404 is a wasteful number, since it uses less digits than its factorization.

324220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199 (or 16197 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 324220404 is about 18006.1212924938. The cubic root of 324220404 is about 686.9842507232.

Adding to 324220404 its reverse (404022423), we get a palindrome (728242827).

The spelling of 324220404 in words is "three hundred twenty-four million, two hundred twenty thousand, four hundred four".