2221322744 has 16 divisors (see below), whose sum is σ = 4308600600. Its totient is φ = 1072362592.

The previous prime is 2221322707. The next prime is 2221322759. The reversal of 2221322744 is 4472231222.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4787102 + ... + 4787565.

Almost surely, 2^2221322744 is an apocalyptic number.

It is an amenable number.

2221322744 is a deficient number, since it is larger than the sum of its proper divisors (2087277856).

2221322744 is a wasteful number, since it uses less digits than its factorization.

2221322744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574702 (or 9574698 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 2221322744 is about 47130.9107062446. The cubic root of 2221322744 is about 1304.7797897197.

Adding to 2221322744 its reverse (4472231222), we get a palindrome (6693553966).

The spelling of 2221322744 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, seven hundred forty-four".