2221322099 has 4 divisors (see below), whose sum is σ = 2223046680. Its totient is φ = 2219597520.

The previous prime is 2221322071. The next prime is 2221322203. The reversal of 2221322099 is 9902231222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221322099 - 2¹² = 2221318003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221322899) 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 3 ways as a sum of consecutive naturals, for example, 860357 + ... + 862934.

It is an arithmetic number, because the mean of its divisors is an integer number (555761670).

Almost surely, 2^2221322099 is an apocalyptic number.

2221322099 is a deficient number, since it is larger than the sum of its proper divisors (1724581).

2221322099 is a wasteful number, since it uses less digits than its factorization.

2221322099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724580.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2221322099 is about 47130.9038636010. The cubic root of 2221322099 is about 1304.7796634311.

The spelling of 2221322099 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, ninety-nine".