2221322204 has 18 divisors (see below), whose sum is σ = 4129432440. Its totient is φ = 1045327552.

The previous prime is 2221322203. The next prime is 2221322209. The reversal of 2221322204 is 4022231222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221322203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 959624 + ... + 961935.

Almost surely, 2^2221322204 is an apocalyptic number.

It is an amenable number.

2221322204 is a deficient number, since it is larger than the sum of its proper divisors (1908110236).

2221322204 is a wasteful number, since it uses less digits than its factorization.

2221322204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921597 (or 1921578 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221322204 is about 47130.9049775198. The cubic root of 2221322204 is about 1304.7796839898.

Adding to 2221322204 its reverse (4022231222), we get a palindrome (6243553426).

The spelling of 2221322204 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred four".