14221566 has 12 divisors (see below), whose sum is σ = 30813432. Its totient is φ = 4740516.

The previous prime is 14221561. The next prime is 14221573. The reversal of 14221566 is 66512241.

14221566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395026 + ... + 395061.

It is an arithmetic number, because the mean of its divisors is an integer number (2567786).

Almost surely, 2^14221566 is an apocalyptic number.

14221566 is an abundant number, since it is smaller than the sum of its proper divisors (16591866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14221566 is a wasteful number, since it uses less digits than its factorization.

14221566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790095 (or 790092 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 14221566 is about 3771.1491617278. The cubic root of 14221566 is about 242.2790192945.

The spelling of 14221566 in words is "fourteen million, two hundred twenty-one thousand, five hundred sixty-six".