304221423324 has 144 divisors (see below), whose sum is σ = 890189250048. Its totient is φ = 80150620032.

The previous prime is 304221423323. The next prime is 304221423377. The reversal of 304221423324 is 423324122403.

It is a super-2 number, since 2×304221423324² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304221423291 and 304221423300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304221423323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7493809 + ... + 7534295.

It is an arithmetic number, because the mean of its divisors is an integer number (6181869792).

Almost surely, 2^304221423324 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 304221423324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445094625024).

304221423324 is an abundant number, since it is smaller than the sum of its proper divisors (585967826724).

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

304221423324 is a wasteful number, since it uses less digits than its factorization.

304221423324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41504 (or 41495 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 304221423324 its reverse (423324122403), we get a palindrome (727545545727).

The spelling of 304221423324 in words is "three hundred four billion, two hundred twenty-one million, four hundred twenty-three thousand, three hundred twenty-four".