2244004221 has 16 divisors (see below), whose sum is σ = 3008102400. Its totient is φ = 1487970288.

The previous prime is 2244004141. The next prime is 2244004271. The reversal of 2244004221 is 1224004422.

It is not a de Polignac number, because 2244004221 - 2⁷ = 2244004093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244004271) 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, 915820 + ... + 918266.

It is an arithmetic number, because the mean of its divisors is an integer number (188006400).

Almost surely, 2^2244004221 is an apocalyptic number.

It is an amenable number.

2244004221 is a deficient number, since it is larger than the sum of its proper divisors (764098179).

2244004221 is a wasteful number, since it uses less digits than its factorization.

2244004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2244004221 is about 47370.9216819770. The cubic root of 2244004221 is about 1309.2057071382.

Adding to 2244004221 its reverse (1224004422), we get a palindrome (3468008643).

The spelling of 2244004221 in words is "two billion, two hundred forty-four million, four thousand, two hundred twenty-one".