14442217 has 4 divisors (see below), whose sum is σ = 14449876. Its totient is φ = 14434560.

The previous prime is 14442179. The next prime is 14442221. The reversal of 14442217 is 71224441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71224441 = 17 ⋅4189673.

It can be written as a sum of positive squares in 2 ways, for example, as 9339136 + 5103081 = 3056^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 14442217 - 2⁷ = 14442089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14442191 and 14442200.

It is not an unprimeable number, because it can be changed into a prime (14442017) 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, 1213 + ... + 5509.

It is an arithmetic number, because the mean of its divisors is an integer number (3612469).

Almost surely, 2^14442217 is an apocalyptic number.

It is an amenable number.

14442217 is a deficient number, since it is larger than the sum of its proper divisors (7659).

14442217 is an equidigital number, since it uses as much as digits as its factorization.

14442217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658.

The product of its digits is 1792, while the sum is 25.

The square root of 14442217 is about 3800.2916993305. The cubic root of 14442217 is about 243.5256000081.

Adding to 14442217 its reverse (71224441), we get a palindrome (85666658).

The spelling of 14442217 in words is "fourteen million, four hundred forty-two thousand, two hundred seventeen".