2244322221 has 16 divisors (see below), whose sum is σ = 3223265280. Its totient is φ = 1384994160.

The previous prime is 2244322219. The next prime is 2244322229. The reversal of 2244322221 is 1222234422.

2244322221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2244322221 - 2¹ = 2244322219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2244322191 and 2244322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244322229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522481 + ... + 526758.

It is an arithmetic number, because the mean of its divisors is an integer number (201454080).

Almost surely, 2^2244322221 is an apocalyptic number.

It is an amenable number.

2244322221 is a deficient number, since it is larger than the sum of its proper divisors (978943059).

2244322221 is a wasteful number, since it uses less digits than its factorization.

2244322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049296.

The product of its digits is 3072, while the sum is 24.

The square root of 2244322221 is about 47374.2780525466. The cubic root of 2244322221 is about 1309.2675471512.

Adding to 2244322221 its reverse (1222234422), we get a palindrome (3466556643).

The spelling of 2244322221 in words is "two billion, two hundred forty-four million, three hundred twenty-two thousand, two hundred twenty-one".