244411334221 has 4 divisors (see below), whose sum is σ = 244781094844. Its totient is φ = 244041573600.

The previous prime is 244411334207. The next prime is 244411334243. The reversal of 244411334221 is 122433114442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186787331721 + 57624002500 = 432189^2 + 240050^2 .

It is a cyclic number.

It is not a de Polignac number, because 244411334221 - 2⁷ = 244411334093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244411334261) 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, 184879320 + ... + 184880641.

It is an arithmetic number, because the mean of its divisors is an integer number (61195273711).

Almost surely, 2^244411334221 is an apocalyptic number.

It is an amenable number.

244411334221 is a deficient number, since it is larger than the sum of its proper divisors (369760623).

244411334221 is an equidigital number, since it uses as much as digits as its factorization.

244411334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369760622.

The product of its digits is 18432, while the sum is 31.

Adding to 244411334221 its reverse (122433114442), we get a palindrome (366844448663).

The spelling of 244411334221 in words is "two hundred forty-four billion, four hundred eleven million, three hundred thirty-four thousand, two hundred twenty-one".