2220330321 has 12 divisors (see below), whose sum is σ = 3498702480. Its totient is φ = 1345654680.

The previous prime is 2220330317. The next prime is 2220330377. The reversal of 2220330321 is 1230330222.

It is a happy number.

It is not a de Polignac number, because 2220330321 - 2² = 2220330317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220330294 and 2220330303.

It is not an unprimeable number, because it can be changed into a prime (2220330311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11213691 + ... + 11213888.

It is an arithmetic number, because the mean of its divisors is an integer number (291558540).

Almost surely, 2^2220330321 is an apocalyptic number.

It is an amenable number.

2220330321 is a deficient number, since it is larger than the sum of its proper divisors (1278372159).

2220330321 is a wasteful number, since it uses less digits than its factorization.

2220330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22427596 (or 22427593 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2220330321 is about 47120.3811635687. The cubic root of 2220330321 is about 1304.5854481028.

Adding to 2220330321 its reverse (1230330222), we get a palindrome (3450660543).

Subtracting from 2220330321 its reverse (1230330222), we obtain a palindrome (990000099).

The spelling of 2220330321 in words is "two billion, two hundred twenty million, three hundred thirty thousand, three hundred twenty-one".