14221789 has 4 divisors (see below), whose sum is σ = 14234524. Its totient is φ = 14209056.

The previous prime is 14221771. The next prime is 14221799. The reversal of 14221789 is 98712241.

14221789 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 an emirpimes, since its reverse is a distinct semiprime: 98712241 = 503 ⋅196247.

It can be written as a sum of positive squares in 2 ways, for example, as 9672100 + 4549689 = 3110^2 + 2133^2 .

It is a cyclic number.

It is not a de Polignac number, because 14221789 - 2⁷ = 14221661 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 (14221769) 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, 4512 + ... + 6985.

It is an arithmetic number, because the mean of its divisors is an integer number (3558631).

Almost surely, 2^14221789 is an apocalyptic number.

It is an amenable number.

14221789 is a deficient number, since it is larger than the sum of its proper divisors (12735).

14221789 is a wasteful number, since it uses less digits than its factorization.

14221789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12734.

The product of its digits is 8064, while the sum is 34.

The square root of 14221789 is about 3771.1787281963. The cubic root of 14221789 is about 242.2802856328.

The spelling of 14221789 in words is "fourteen million, two hundred twenty-one thousand, seven hundred eighty-nine".