22143344242 has 16 divisors (see below), whose sum is σ = 33995174400. Its totient is φ = 10811736432.

The previous prime is 22143344233. The next prime is 22143344243. The reversal of 22143344242 is 24244334122.

It is not an unprimeable number, because it can be changed into a prime (22143344243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385888 + ... + 439540.

It is an arithmetic number, because the mean of its divisors is an integer number (2124698400).

Almost surely, 2^22143344242 is an apocalyptic number.

22143344242 is a deficient number, since it is larger than the sum of its proper divisors (11851830158).

22143344242 is a wasteful number, since it uses less digits than its factorization.

22143344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58497.

The product of its digits is 36864, while the sum is 31.

Adding to 22143344242 its reverse (24244334122), we get a palindrome (46387678364).

The spelling of 22143344242 in words is "twenty-two billion, one hundred forty-three million, three hundred forty-four thousand, two hundred forty-two".