442000022422 has 16 divisors (see below), whose sum is σ = 758229460992. Its totient is φ = 189299796840.

The previous prime is 442000022381. The next prime is 442000022489. The reversal of 442000022422 is 224220000244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442000022393 and 442000022402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10710688 + ... + 10751875.

It is an arithmetic number, because the mean of its divisors is an integer number (47389341312).

Almost surely, 2^442000022422 is an apocalyptic number.

442000022422 is a deficient number, since it is larger than the sum of its proper divisors (316229438570).

442000022422 is a wasteful number, since it uses less digits than its factorization.

442000022422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464043.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 442000022422 its reverse (224220000244), we get a palindrome (666220022666).

The spelling of 442000022422 in words is "four hundred forty-two billion, twenty-two thousand, four hundred twenty-two".