442352345123222 has 8 divisors (see below), whose sum is σ = 663534576693936. Its totient is φ = 221174152891912.

The previous prime is 442352345123173. The next prime is 442352345123267. The reversal of 442352345123222 is 222321543253244.

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

It is a super-2 number, since 2×442352345123222² (a number of 30 digits) contains 22 as substring.

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, 1009561058 + ... + 1009999125.

It is an arithmetic number, because the mean of its divisors is an integer number (82941822086742).

Almost surely, 2^{442352345123222} is an apocalyptic number.

442352345123222 is a deficient number, since it is larger than the sum of its proper divisors (221182231570714).

442352345123222 is a wasteful number, since it uses less digits than its factorization.

442352345123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019669702.

The product of its digits is 2764800, while the sum is 44.

Adding to 442352345123222 its reverse (222321543253244), we get a palindrome (664673888376466).

The spelling of 442352345123222 in words is "four hundred forty-two trillion, three hundred fifty-two billion, three hundred forty-five million, one hundred twenty-three thousand, two hundred twenty-two".