14224709 has 2 divisors, whose sum is σ = 14224710. Its totient is φ = 14224708.

The previous prime is 14224697. The next prime is 14224729. The reversal of 14224709 is 90742241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8236900 + 5987809 = 2870^2 + 2447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14224709 is a prime.

It is a super-2 number, since 2×14224709² = 404684692269362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14224729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112354 + 7112355.

It is an arithmetic number, because the mean of its divisors is an integer number (7112355).

Almost surely, 2^14224709 is an apocalyptic number.

It is an amenable number.

14224709 is a deficient number, since it is larger than the sum of its proper divisors (1).

14224709 is an equidigital number, since it uses as much as digits as its factorization.

14224709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 14224709 is about 3771.5658551853. The cubic root of 14224709 is about 242.2968660602.

The spelling of 14224709 in words is "fourteen million, two hundred twenty-four thousand, seven hundred nine".