2244313221 has 16 divisors (see below), whose sum is σ = 3011496960. Its totient is φ = 1486687680.

The previous prime is 2244313207. The next prime is 2244313283. The reversal of 2244313221 is 1223134422.

It is a happy number.

It is not a de Polignac number, because 2244313221 - 2⁵ = 2244313189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2244313191 and 2244313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693435 + ... + 696663.

It is an arithmetic number, because the mean of its divisors is an integer number (188218560).

Almost surely, 2^2244313221 is an apocalyptic number.

It is an amenable number.

2244313221 is a deficient number, since it is larger than the sum of its proper divisors (767183739).

2244313221 is a wasteful number, since it uses less digits than its factorization.

2244313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636.

The product of its digits is 2304, while the sum is 24.

The square root of 2244313221 is about 47374.1830641965. The cubic root of 2244313221 is about 1309.2657970424.

Adding to 2244313221 its reverse (1223134422), we get a palindrome (3467447643).

The spelling of 2244313221 in words is "two billion, two hundred forty-four million, three hundred thirteen thousand, two hundred twenty-one".