304541223132 has 96 divisors (see below), whose sum is σ = 797778132480. Its totient is φ = 89852958720.

The previous prime is 304541223131. The next prime is 304541223137. The reversal of 304541223132 is 231322145403.

It is a super-2 number, since 2×304541223132² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304541223132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304541223131) 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, 244257 + ... + 817767.

It is an arithmetic number, because the mean of its divisors is an integer number (8310188880).

Almost surely, 2^304541223132 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 304541223132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398889066240).

304541223132 is an abundant number, since it is smaller than the sum of its proper divisors (493236909348).

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

304541223132 is a wasteful number, since it uses less digits than its factorization.

304541223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573691 (or 573689 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 304541223132 its reverse (231322145403), we get a palindrome (535863368535).

The spelling of 304541223132 in words is "three hundred four billion, five hundred forty-one million, two hundred twenty-three thousand, one hundred thirty-two".