2304303221 has 16 divisors (see below), whose sum is σ = 2575845888. Its totient is φ = 2043241200.

The previous prime is 2304303203. The next prime is 2304303229. The reversal of 2304303221 is 1223034032.

It is not a de Polignac number, because 2304303221 - 2²² = 2300108917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2304303193 and 2304303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304303229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380600 + ... + 386606.

It is an arithmetic number, because the mean of its divisors is an integer number (160990368).

Almost surely, 2^2304303221 is an apocalyptic number.

It is an amenable number.

2304303221 is a deficient number, since it is larger than the sum of its proper divisors (271542667).

2304303221 is a wasteful number, since it uses less digits than its factorization.

2304303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2304303221 is about 48003.1584481688. The cubic root of 2304303221 is about 1320.8288376229.

Adding to 2304303221 its reverse (1223034032), we get a palindrome (3527337253).

The spelling of 2304303221 in words is "two billion, three hundred four million, three hundred three thousand, two hundred twenty-one".