442113422 has 8 divisors (see below), whose sum is σ = 663265200. Its totient is φ = 221025024.

The previous prime is 442113409. The next prime is 442113431. The reversal of 442113422 is 224311244.

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, 10079 + ... + 31397.

It is an arithmetic number, because the mean of its divisors is an integer number (82908150).

Almost surely, 2^442113422 is an apocalyptic number.

442113422 is a deficient number, since it is larger than the sum of its proper divisors (221151778).

442113422 is a wasteful number, since it uses less digits than its factorization.

442113422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31690.

The product of its digits is 1536, while the sum is 23.

The square root of 442113422 is about 21026.4933357895. The cubic root of 442113422 is about 761.8063117548.

Adding to 442113422 its reverse (224311244), we get a palindrome (666424666).

The spelling of 442113422 in words is "four hundred forty-two million, one hundred thirteen thousand, four hundred twenty-two".