22355781842 has 8 divisors (see below), whose sum is σ = 33534345600. Its totient is φ = 11177666644.

The previous prime is 22355781839. The next prime is 22355781853. The reversal of 22355781842 is 24818755322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74759 + ... + 224277.

It is an arithmetic number, because the mean of its divisors is an integer number (4191793200).

Almost surely, 2^22355781842 is an apocalyptic number.

It is a pronic number, being equal to 149518×149519.

22355781842 is a deficient number, since it is larger than the sum of its proper divisors (11178563758).

22355781842 is a wasteful number, since it uses less digits than its factorization.

22355781842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224280.

The product of its digits is 1075200, while the sum is 47.

The spelling of 22355781842 in words is "twenty-two billion, three hundred fifty-five million, seven hundred eighty-one thousand, eight hundred forty-two".