442233121122 has 80 divisors (see below), whose sum is σ = 1068939748800. Its totient is φ = 135844177248.

The previous prime is 442233121103. The next prime is 442233121147. The reversal of 442233121122 is 221121332244.

442233121122 is a `hidden beast` number, since 4 + 4 + 223 + 312 + 1 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1086213 + ... + 1436775.

It is an arithmetic number, because the mean of its divisors is an integer number (13361746860).

Almost surely, 2^442233121122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442233121122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534469874400).

442233121122 is an abundant number, since it is smaller than the sum of its proper divisors (626706627678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442233121122 is a wasteful number, since it uses less digits than its factorization.

442233121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351189 (or 351180 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 442233121122 its reverse (221121332244), we get a palindrome (663354453366).

The spelling of 442233121122 in words is "four hundred forty-two billion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred twenty-two".