304221224424 has 256 divisors, whose sum is σ = 849989468160. Its totient is φ = 90139392000.

The previous prime is 304221224399. The next prime is 304221224443. The reversal of 304221224424 is 424422122403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 304221224391 and 304221224400.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 440261919 + ... + 440262609.

It is an arithmetic number, because the mean of its divisors is an integer number (3320271360).

Almost surely, 2^304221224424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304221224424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424994734080).

304221224424 is an abundant number, since it is smaller than the sum of its proper divisors (545768243736).

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

304221224424 is a wasteful number, since it uses less digits than its factorization.

304221224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 304221224424 its reverse (424422122403), we get a palindrome (728643346827).

The spelling of 304221224424 in words is "three hundred four billion, two hundred twenty-one million, two hundred twenty-four thousand, four hundred twenty-four".