22142221104342 has 16 divisors (see below), whose sum is σ = 44395989926832. Its totient is φ = 7362149081760.

The previous prime is 22142221104323. The next prime is 22142221104347. The reversal of 22142221104342 is 24340112224122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142221104347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647819009 + ... + 4647823772.

It is an arithmetic number, because the mean of its divisors is an integer number (2774749370427).

Almost surely, 2^{22142221104342} is an apocalyptic number.

22142221104342 is an abundant number, since it is smaller than the sum of its proper divisors (22253768822490).

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

22142221104342 is a wasteful number, since it uses less digits than its factorization.

22142221104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295643183.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 22142221104342 its reverse (24340112224122), we get a palindrome (46482333328464).

The spelling of 22142221104342 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, one hundred four thousand, three hundred forty-two".