14220142 has 8 divisors (see below), whose sum is σ = 21438000. Its totient is φ = 7074144.

The previous prime is 14220133. The next prime is 14220191. The reversal of 14220142 is 24102241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17467 + ... + 18262.

It is an arithmetic number, because the mean of its divisors is an integer number (2679750).

Almost surely, 2^14220142 is an apocalyptic number.

14220142 is a deficient number, since it is larger than the sum of its proper divisors (7217858).

14220142 is a wasteful number, since it uses less digits than its factorization.

14220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35930.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 14220142 is about 3770.9603551350. The cubic root of 14220142 is about 242.2709325892.

Adding to 14220142 its reverse (24102241), we get a palindrome (38322383).

The spelling of 14220142 in words is "fourteen million, two hundred twenty thousand, one hundred forty-two".