22012220922 has 16 divisors (see below), whose sum is σ = 44961132672. Its totient is φ = 7181291840.

The previous prime is 22012220921. The next prime is 22012220983. The reversal of 22012220922 is 22902221022.

It is a junction number, because it is equal to n+sod(n) for n = 22012220892 and 22012220901.

It is not an unprimeable number, because it can be changed into a prime (22012220921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39028479 + ... + 39029042.

It is an arithmetic number, because the mean of its divisors is an integer number (2810070792).

Almost surely, 2^22012220922 is an apocalyptic number.

22012220922 is an abundant number, since it is smaller than the sum of its proper divisors (22948911750).

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

22012220922 is a wasteful number, since it uses less digits than its factorization.

22012220922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78057573.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22012220922 its reverse (22902221022), we get a palindrome (44914441944).

The spelling of 22012220922 in words is "twenty-two billion, twelve million, two hundred twenty thousand, nine hundred twenty-two".