14221142 has 8 divisors (see below), whose sum is σ = 22972656. Its totient is φ = 6563592.

The previous prime is 14221133. The next prime is 14221147. The reversal of 14221142 is 24112241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14221142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221147) 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, 273458 + ... + 273509.

It is an arithmetic number, because the mean of its divisors is an integer number (2871582).

Almost surely, 2^14221142 is an apocalyptic number.

14221142 is a deficient number, since it is larger than the sum of its proper divisors (8751514).

14221142 is a wasteful number, since it uses less digits than its factorization.

14221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546982.

The product of its digits is 128, while the sum is 17.

The square root of 14221142 is about 3771.0929450227. The cubic root of 14221142 is about 242.2766115118.

Adding to 14221142 its reverse (24112241), we get a palindrome (38333383).

The spelling of 14221142 in words is "fourteen million, two hundred twenty-one thousand, one hundred forty-two".