442222184391 has 8 divisors (see below), whose sum is σ = 634985700720. Its totient is φ = 272136728832.

The previous prime is 442222184357. The next prime is 442222184401. The reversal of 442222184391 is 193481222244.

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

It is not a de Polignac number, because 442222184391 - 2¹⁹ = 442221660103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442222194391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5669515146 + ... + 5669515223.

It is an arithmetic number, because the mean of its divisors is an integer number (79373212590).

Almost surely, 2^442222184391 is an apocalyptic number.

442222184391 is a deficient number, since it is larger than the sum of its proper divisors (192763516329).

442222184391 is a wasteful number, since it uses less digits than its factorization.

442222184391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11339030385.

The product of its digits is 221184, while the sum is 42.

The spelling of 442222184391 in words is "four hundred forty-two billion, two hundred twenty-two million, one hundred eighty-four thousand, three hundred ninety-one".