442222323121 has 8 divisors (see below), whose sum is σ = 464212554624. Its totient is φ = 420462356160.

The previous prime is 442222323113. The next prime is 442222323131. The reversal of 442222323121 is 121323222244.

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

It is a cyclic number.

It is not a de Polignac number, because 442222323121 - 2³ = 442222323113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442222323121.

It is not an unprimeable number, because it can be changed into a prime (442222323131) by changing a digit.

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, 57562200 + ... + 57569881.

It is an arithmetic number, because the mean of its divisors is an integer number (58026569328).

Almost surely, 2^442222323121 is an apocalyptic number.

It is an amenable number.

442222323121 is a deficient number, since it is larger than the sum of its proper divisors (21990231503).

442222323121 is a wasteful number, since it uses less digits than its factorization.

442222323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115132271.

The product of its digits is 9216, while the sum is 28.

Adding to 442222323121 its reverse (121323222244), we get a palindrome (563545545365).

The spelling of 442222323121 in words is "four hundred forty-two billion, two hundred twenty-two million, three hundred twenty-three thousand, one hundred twenty-one".