4144222517 has 4 divisors (see below), whose sum is σ = 4167118956. Its totient is φ = 4121326080.

The previous prime is 4144222441. The next prime is 4144222529. The reversal of 4144222517 is 7152224414.

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 12432676 + 4131789841 = 3526^2 + 64279^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144222517 - 2²⁸ = 3875787061 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 (4144222417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11447948 + ... + 11448309.

It is an arithmetic number, because the mean of its divisors is an integer number (1041779739).

Almost surely, 2^4144222517 is an apocalyptic number.

It is an amenable number.

4144222517 is a deficient number, since it is larger than the sum of its proper divisors (22896439).

4144222517 is a wasteful number, since it uses less digits than its factorization.

4144222517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22896438.

The product of its digits is 17920, while the sum is 32.

The square root of 4144222517 is about 64375.6360512267. The cubic root of 4144222517 is about 1606.2544925369.

The spelling of 4144222517 in words is "four billion, one hundred forty-four million, two hundred twenty-two thousand, five hundred seventeen".