6442220334142 has 8 divisors (see below), whose sum is σ = 9663357234600. Its totient is φ = 3221101255944.

The previous prime is 6442220334133. The next prime is 6442220334149. The reversal of 6442220334142 is 2414330222446.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442220334149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511917 + ... + 5021752.

It is an arithmetic number, because the mean of its divisors is an integer number (1207919654325).

Almost surely, 2^{6442220334142} is an apocalyptic number.

6442220334142 is a deficient number, since it is larger than the sum of its proper divisors (3221136900458).

6442220334142 is a wasteful number, since it uses less digits than its factorization.

6442220334142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8911130.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 6442220334142 its reverse (2414330222446), we get a palindrome (8856550556588).

The spelling of 6442220334142 in words is "six trillion, four hundred forty-two billion, two hundred twenty million, three hundred thirty-four thousand, one hundred forty-two".