442042222042 has 8 divisors (see below), whose sum is σ = 663066584532. Its totient is φ = 221020027200.

The previous prime is 442042222031. The next prime is 442042222093. The reversal of 442042222042 is 240222240244.

It can be written as a sum of positive squares in 2 ways, for example, as 397102885921 + 44939336121 = 630161^2 + 211989^2 .

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 442042222042.

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, 139042 + ... + 950482.

Almost surely, 2^442042222042 is an apocalyptic number.

442042222042 is a deficient number, since it is larger than the sum of its proper divisors (221024362490).

442042222042 is a wasteful number, since it uses less digits than its factorization.

442042222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083824.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 442042222042 its reverse (240222240244), we get a palindrome (682264462286).

The spelling of 442042222042 in words is "four hundred forty-two billion, forty-two million, two hundred twenty-two thousand, forty-two".