14227649 has 2 divisors, whose sum is σ = 14227650. Its totient is φ = 14227648.

The previous prime is 14227643. The next prime is 14227687. The reversal of 14227649 is 94672241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13359025 + 868624 = 3655^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 14227649 - 2²⁰ = 13179073 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14227643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7113824 + 7113825.

It is an arithmetic number, because the mean of its divisors is an integer number (7113825).

Almost surely, 2^14227649 is an apocalyptic number.

It is an amenable number.

14227649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14227649 is an equidigital number, since it uses as much as digits as its factorization.

14227649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 14227649 is about 3771.9555935880. The cubic root of 14227649 is about 242.3135577600.

The spelling of 14227649 in words is "fourteen million, two hundred twenty-seven thousand, six hundred forty-nine".