22201221422 has 16 divisors (see below), whose sum is σ = 35059651200. Its totient is φ = 10514840760.

The previous prime is 22201221421. The next prime is 22201221437. The reversal of 22201221422 is 22412210222.

It is a junction number, because it is equal to n+sod(n) for n = 22201221394 and 22201221403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201221421) 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, 248597 + ... + 325887.

It is an arithmetic number, because the mean of its divisors is an integer number (2191228200).

Almost surely, 2^22201221422 is an apocalyptic number.

22201221422 is a deficient number, since it is larger than the sum of its proper divisors (12858429778).

22201221422 is a wasteful number, since it uses less digits than its factorization.

22201221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84871.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22201221422 its reverse (22412210222), we get a palindrome (44613431644).

The spelling of 22201221422 in words is "twenty-two billion, two hundred one million, two hundred twenty-one thousand, four hundred twenty-two".