14144343221 has 8 divisors (see below), whose sum is σ = 14540902488. Its totient is φ = 13750240000.

The previous prime is 14144343211. The next prime is 14144343259. The reversal of 14144343221 is 12234344141.

It can be written as a sum of positive squares in 4 ways, for example, as 2274240721 + 11870102500 = 47689^2 + 108950^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14144343221 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 (14144343211) 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, 602330 + ... + 625371.

It is an arithmetic number, because the mean of its divisors is an integer number (1817612811).

Almost surely, 2^14144343221 is an apocalyptic number.

It is an amenable number.

14144343221 is a deficient number, since it is larger than the sum of its proper divisors (396559267).

14144343221 is a wasteful number, since it uses less digits than its factorization.

14144343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228023.

The product of its digits is 9216, while the sum is 29.

Adding to 14144343221 its reverse (12234344141), we get a palindrome (26378687362).

The spelling of 14144343221 in words is "fourteen billion, one hundred forty-four million, three hundred forty-three thousand, two hundred twenty-one".