4222142 has 8 divisors (see below), whose sum is σ = 6666600. Its totient is φ = 1999944.

The previous prime is 4222117. The next prime is 4222177. The reversal of 4222142 is 2412224.

It is a happy number.

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 4222142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55517 + ... + 55592.

It is an arithmetic number, because the mean of its divisors is an integer number (833325).

Almost surely, 2^4222142 is an apocalyptic number.

4222142 is a deficient number, since it is larger than the sum of its proper divisors (2444458).

4222142 is a wasteful number, since it uses less digits than its factorization.

4222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111130.

The product of its digits is 256, while the sum is 17.

The square root of 4222142 is about 2054.7851469193. The cubic root of 4222142 is about 161.6258958844.

Adding to 4222142 its reverse (2412224), we get a palindrome (6634366).

The spelling of 4222142 in words is "four million, two hundred twenty-two thousand, one hundred forty-two".