14224729 has 2 divisors, whose sum is σ = 14224730. Its totient is φ = 14224728.

The previous prime is 14224709. The next prime is 14224747. The reversal of 14224729 is 92742241.

14224729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 719104 = 3675^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 14224729 - 2⁵ = 14224697 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14224729.

It is not a weakly prime, because it can be changed into another prime (14224709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112364 + 7112365.

It is an arithmetic number, because the mean of its divisors is an integer number (7112365).

Almost surely, 2^14224729 is an apocalyptic number.

It is an amenable number.

14224729 is a deficient number, since it is larger than the sum of its proper divisors (1).

14224729 is an equidigital number, since it uses as much as digits as its factorization.

14224729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 14224729 is about 3771.5685066031. The cubic root of 14224729 is about 242.2969796170.

The spelling of 14224729 in words is "fourteen million, two hundred twenty-four thousand, seven hundred twenty-nine".