2244244321 has 4 divisors (see below), whose sum is σ = 2448266544. Its totient is φ = 2040222100.

The previous prime is 2244244309. The next prime is 2244244357. The reversal of 2244244321 is 1234424422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2244244321 - 2⁹ = 2244243809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2244244321.

It is not an unprimeable number, because it can be changed into a prime (2244244421) 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, 102011095 + ... + 102011116.

It is an arithmetic number, because the mean of its divisors is an integer number (612066636).

Almost surely, 2^2244244321 is an apocalyptic number.

It is an amenable number.

2244244321 is a deficient number, since it is larger than the sum of its proper divisors (204022223).

2244244321 is a wasteful number, since it uses less digits than its factorization.

2244244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204022222.

The product of its digits is 12288, while the sum is 28.

The square root of 2244244321 is about 47373.4558692946. The cubic root of 2244244321 is about 1309.2523988329.

Adding to 2244244321 its reverse (1234424422), we get a palindrome (3478668743).

The spelling of 2244244321 in words is "two billion, two hundred forty-four million, two hundred forty-four thousand, three hundred twenty-one".