22142442131442 has 24 divisors (see below), whose sum is σ = 47975842731180. Its totient is φ = 7380729205920.

The previous prime is 22142442131423. The next prime is 22142442131471. The reversal of 22142442131442 is 24413124424122.

22142442131442 is a `hidden beast` number, since 2 + 2 + 1 + 42 + 4 + 42 + 131 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19752700248801 + 2389741882641 = 4444401^2 + 1545879^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22142442131397 and 22142442131406.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5450317 + ... + 8601792.

Almost surely, 2^{22142442131442} is an apocalyptic number.

22142442131442 is an abundant number, since it is smaller than the sum of its proper divisors (25833400599738).

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

22142442131442 is a wasteful number, since it uses less digits than its factorization.

22142442131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139658 (or 14139655 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 22142442131442 its reverse (24413124424122), we get a palindrome (46555566555564).

The spelling of 22142442131442 in words is "twenty-two trillion, one hundred forty-two billion, four hundred forty-two million, one hundred thirty-one thousand, four hundred forty-two".