14221769 has 2 divisors, whose sum is σ = 14221770. Its totient is φ = 14221768.

The previous prime is 14221721. The next prime is 14221771. The reversal of 14221769 is 96712241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 3853369 = 3220^2 + 1963^2 .

It is an emirp because it is prime and its reverse (96712241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14221769 is a prime.

It is a super-2 number, since 2×14221769² = 404517426978722, which contains 22 as substring.

Together with 14221771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14221799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110884 + 7110885.

It is an arithmetic number, because the mean of its divisors is an integer number (7110885).

Almost surely, 2^14221769 is an apocalyptic number.

It is an amenable number.

14221769 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221769 is an equidigital number, since it uses as much as digits as its factorization.

14221769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 14221769 is about 3771.1760765045. The cubic root of 14221769 is about 242.2801720604.

The spelling of 14221769 in words is "fourteen million, two hundred twenty-one thousand, seven hundred sixty-nine".