442340142222 has 32 divisors (see below), whose sum is σ = 1021876694784. Its totient is φ = 126157616000.

The previous prime is 442340142221. The next prime is 442340142227. The reversal of 442340142222 is 222241043244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 442340142222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442340142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197120154 + ... + 197122397.

It is an arithmetic number, because the mean of its divisors is an integer number (31933646712).

Almost surely, 2^442340142222 is an apocalyptic number.

442340142222 is an abundant number, since it is smaller than the sum of its proper divisors (579536552562).

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

442340142222 is a wasteful number, since it uses less digits than its factorization.

442340142222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394242584.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 442340142222 its reverse (222241043244), we get a palindrome (664581185466).

The spelling of 442340142222 in words is "four hundred forty-two billion, three hundred forty million, one hundred forty-two thousand, two hundred twenty-two".