2221332244 has 12 divisors (see below), whose sum is σ = 3892130368. Its totient is φ = 1109295000.

The previous prime is 2221332229. The next prime is 2221332247. The reversal of 2221332244 is 4422331222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221332247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339132 + ... + 345619.

Almost surely, 2^2221332244 is an apocalyptic number.

It is an amenable number.

2221332244 is a deficient number, since it is larger than the sum of its proper divisors (1670798124).

2221332244 is a wasteful number, since it uses less digits than its factorization.

2221332244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685566 (or 685564 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 2221332244 is about 47131.0114892520. The cubic root of 2221332244 is about 1304.7816497812.

Adding to 2221332244 its reverse (4422331222), we get a palindrome (6643663466).

The spelling of 2221332244 in words is "two billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred forty-four".