442242042422 has 8 divisors (see below), whose sum is σ = 663401146296. Its totient is φ = 221108326992.

The previous prime is 442242042377. The next prime is 442242042491. The reversal of 442242042422 is 224240242244.

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, 6303503 + ... + 6373274.

It is an arithmetic number, because the mean of its divisors is an integer number (82925143287).

Almost surely, 2^442242042422 is an apocalyptic number.

442242042422 is a deficient number, since it is larger than the sum of its proper divisors (221159103874).

442242042422 is a wasteful number, since it uses less digits than its factorization.

442242042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694222.

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

Adding to 442242042422 its reverse (224240242244), we get a palindrome (666482284666).

The spelling of 442242042422 in words is "four hundred forty-two billion, two hundred forty-two million, forty-two thousand, four hundred twenty-two".