304310304220 has 48 divisors (see below), whose sum is σ = 688250213280. Its totient is φ = 112354073856.

The previous prime is 304310304167. The next prime is 304310304223. The reversal of 304310304220 is 22403013403.

It is a happy number.

It is a super-2 number, since 2×304310304220² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304310304191 and 304310304200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304310304223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7551886 + ... + 7592074.

It is an arithmetic number, because the mean of its divisors is an integer number (14338546110).

Almost surely, 2^304310304220 is an apocalyptic number.

It is an amenable number.

304310304220 is an abundant number, since it is smaller than the sum of its proper divisors (383939909060).

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

304310304220 is a wasteful number, since it uses less digits than its factorization.

304310304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69334 (or 69332 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 304310304220 its reverse (22403013403), we get a palindrome (326713317623).

The spelling of 304310304220 in words is "three hundred four billion, three hundred ten million, three hundred four thousand, two hundred twenty".