22143304342 has 4 divisors (see below), whose sum is σ = 33214956516. Its totient is φ = 11071652170.

The previous prime is 22143304333. The next prime is 22143304357. The reversal of 22143304342 is 24340334122.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22143304342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535826084 + ... + 5535826087.

It is an arithmetic number, because the mean of its divisors is an integer number (8303739129).

Almost surely, 2^22143304342 is an apocalyptic number.

22143304342 is a deficient number, since it is larger than the sum of its proper divisors (11071652174).

22143304342 is a wasteful number, since it uses less digits than its factorization.

22143304342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071652173.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22143304342 its reverse (24340334122), we get a palindrome (46483638464).

The spelling of 22143304342 in words is "twenty-two billion, one hundred forty-three million, three hundred four thousand, three hundred forty-two".