442024422242 has 8 divisors (see below), whose sum is σ = 714039451356. Its totient is φ = 204011271792.

The previous prime is 442024422209. The next prime is 442024422247. The reversal of 442024422242 is 242224420244.

It can be written as a sum of positive squares in 2 ways, for example, as 442024192801 + 229441 = 664849^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 442024422199 and 442024422208.

It is not an unprimeable number, because it can be changed into a prime (442024422247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8500469633 + ... + 8500469684.

Almost surely, 2^442024422242 is an apocalyptic number.

442024422242 is a deficient number, since it is larger than the sum of its proper divisors (272015029114).

442024422242 is a wasteful number, since it uses less digits than its factorization.

442024422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17000939332.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 442024422242 its reverse (242224420244), we get a palindrome (684248842486).

The spelling of 442024422242 in words is "four hundred forty-two billion, twenty-four million, four hundred twenty-two thousand, two hundred forty-two".