2220131330 has 16 divisors (see below), whose sum is σ = 3996801144. Its totient is φ = 887927040.

The previous prime is 2220131297. The next prime is 2220131341. The reversal of 2220131330 is 331310222.

It can be written as a sum of positive squares in 4 ways, for example, as 2068521361 + 151609969 = 45481^2 + 12313^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2220131299 and 2220131308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97514 + ... + 118106.

Almost surely, 2^2220131330 is an apocalyptic number.

2220131330 is a deficient number, since it is larger than the sum of its proper divisors (1776669814).

2220131330 is a wasteful number, since it uses less digits than its factorization.

2220131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31381.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2220131330 is about 47118.2695989570. The cubic root of 2220131330 is about 1304.5464736439.

Adding to 2220131330 its reverse (331310222), we get a palindrome (2551441552).

The spelling of 2220131330 in words is "two billion, two hundred twenty million, one hundred thirty-one thousand, three hundred thirty".