304334232220 has 96 divisors (see below), whose sum is σ = 713110801536. Its totient is φ = 108506112000.

The previous prime is 304334232179. The next prime is 304334232229. The reversal of 304334232220 is 22232433403.

It is a super-2 number, since 2×304334232220² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304334232229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597160 + ... + 982480.

It is an arithmetic number, because the mean of its divisors is an integer number (7428237516).

Almost surely, 2^304334232220 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 304334232220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356555400768).

304334232220 is an abundant number, since it is smaller than the sum of its proper divisors (408776569316).

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

304334232220 is a wasteful number, since it uses less digits than its factorization.

304334232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385471 (or 385469 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 304334232220 its reverse (22232433403), we get a palindrome (326566665623).

The spelling of 304334232220 in words is "three hundred four billion, three hundred thirty-four million, two hundred thirty-two thousand, two hundred twenty".