2221443130 has 8 divisors (see below), whose sum is σ = 3998597652. Its totient is φ = 888577248.

The previous prime is 2221443073. The next prime is 2221443131. The reversal of 2221443130 is 313441222.

It can be written as a sum of positive squares in 2 ways, for example, as 1920455329 + 300987801 = 43823^2 + 17349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2221443131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111072147 + ... + 111072166.

Almost surely, 2^2221443130 is an apocalyptic number.

2221443130 is a deficient number, since it is larger than the sum of its proper divisors (1777154522).

2221443130 is a wasteful number, since it uses less digits than its factorization.

2221443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222144320.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2221443130 is about 47132.1878337936. The cubic root of 2221443130 is about 1304.8033604177.

Adding to 2221443130 its reverse (313441222), we get a palindrome (2534884352).

The spelling of 2221443130 in words is "two billion, two hundred twenty-one million, four hundred forty-three thousand, one hundred thirty".