22043321156 has 12 divisors (see below), whose sum is σ = 39820193280. Its totient is φ = 10666123080.

The previous prime is 22043321123. The next prime is 22043321191. The reversal of 22043321156 is 65112334022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88884236 + ... + 88884483.

It is an arithmetic number, because the mean of its divisors is an integer number (3318349440).

Almost surely, 2^22043321156 is an apocalyptic number.

It is an amenable number.

22043321156 is a deficient number, since it is larger than the sum of its proper divisors (17776872124).

22043321156 is a wasteful number, since it uses less digits than its factorization.

22043321156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177768754 (or 177768752 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 22043321156 its reverse (65112334022), we get a palindrome (87155655178).

The spelling of 22043321156 in words is "twenty-two billion, forty-three million, three hundred twenty-one thousand, one hundred fifty-six".