42322142 has 8 divisors (see below), whose sum is σ = 63863856. Its totient is φ = 21034192.

The previous prime is 42322123. The next prime is 42322153. The reversal of 42322142 is 24122324.

42322142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63023 + ... + 63690.

It is an arithmetic number, because the mean of its divisors is an integer number (7982982).

Almost surely, 2^42322142 is an apocalyptic number.

42322142 is a deficient number, since it is larger than the sum of its proper divisors (21541714).

42322142 is a wasteful number, since it uses less digits than its factorization.

42322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126882.

The product of its digits is 768, while the sum is 20.

The square root of 42322142 is about 6505.5470177380. The cubic root of 42322142 is about 348.4891116359.

Adding to 42322142 its reverse (24122324), we get a palindrome (66444466).

The spelling of 42322142 in words is "forty-two million, three hundred twenty-two thousand, one hundred forty-two".