2444221013 has 8 divisors (see below), whose sum is σ = 2634541056. Its totient is φ = 2254230000.

The previous prime is 2444220991. The next prime is 2444221033. The reversal of 2444221013 is 3101224442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2444221013 - 2¹⁴ = 2444204629 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 2444221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444221033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66713 + ... + 96638.

It is an arithmetic number, because the mean of its divisors is an integer number (329317632).

Almost surely, 2^2444221013 is an apocalyptic number.

It is an amenable number.

2444221013 is a deficient number, since it is larger than the sum of its proper divisors (190320043).

2444221013 is a wasteful number, since it uses less digits than its factorization.

2444221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164515.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2444221013 is about 49439.0636339322. The cubic root of 2444221013 is about 1347.0389628919.

Adding to 2444221013 its reverse (3101224442), we get a palindrome (5545445455).

The spelling of 2444221013 in words is "two billion, four hundred forty-four million, two hundred twenty-one thousand, thirteen".