244214100221 has 12 divisors (see below), whose sum is σ = 305938543932. Its totient is φ = 193224342528.

The previous prime is 244214100191. The next prime is 244214100233. The reversal of 244214100221 is 122001412442.

It can be written as a sum of positive squares in 2 ways, for example, as 73633536025 + 170580564196 = 271355^2 + 413014^2 .

It is not a de Polignac number, because 244214100221 - 2¹⁰ = 244214099197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244214100271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191690180 + ... + 191691453.

It is an arithmetic number, because the mean of its divisors is an integer number (25494878661).

Almost surely, 2^244214100221 is an apocalyptic number.

It is an amenable number.

244214100221 is a deficient number, since it is larger than the sum of its proper divisors (61724443711).

244214100221 is a wasteful number, since it uses less digits than its factorization.

244214100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383381660 (or 383381653 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 244214100221 its reverse (122001412442), we get a palindrome (366215512663).

The spelling of 244214100221 in words is "two hundred forty-four billion, two hundred fourteen million, one hundred thousand, two hundred twenty-one".