442402042022 has 4 divisors (see below), whose sum is σ = 663603063036. Its totient is φ = 221201021010.

The previous prime is 442402041997. The next prime is 442402042031. The reversal of 442402042022 is 220240204244.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 442402041982 and 442402042000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600510504 + ... + 110600510507.

It is an arithmetic number, because the mean of its divisors is an integer number (165900765759).

Almost surely, 2^442402042022 is an apocalyptic number.

442402042022 is a deficient number, since it is larger than the sum of its proper divisors (221201021014).

442402042022 is a wasteful number, since it uses less digits than its factorization.

442402042022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221201021013.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 442402042022 its reverse (220240204244), we get a palindrome (662642246266).

The spelling of 442402042022 in words is "four hundred forty-two billion, four hundred two million, forty-two thousand, twenty-two".