14228749 has 4 divisors (see below), whose sum is σ = 14254240. Its totient is φ = 14203260.

The previous prime is 14228741. The next prime is 14228761. The reversal of 14228749 is 94782241.

14228749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14228749 - 2³ = 14228741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14228741) 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, 11889 + ... + 13030.

It is an arithmetic number, because the mean of its divisors is an integer number (3563560).

Almost surely, 2^14228749 is an apocalyptic number.

It is an amenable number.

14228749 is a deficient number, since it is larger than the sum of its proper divisors (25491).

14228749 is an equidigital number, since it uses as much as digits as its factorization.

14228749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25490.

The product of its digits is 32256, while the sum is 37.

The square root of 14228749 is about 3772.1014037271. The cubic root of 14228749 is about 242.3198023626.

The spelling of 14228749 in words is "fourteen million, two hundred twenty-eight thousand, seven hundred forty-nine".