22201121222 has 16 divisors (see below), whose sum is σ = 38061718560. Its totient is φ = 9514102848.

The previous prime is 22201121209. The next prime is 22201121237. The reversal of 22201121222 is 22212110222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201121222.

It is a congruent number.

It is an unprimeable number.

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, 190304 + ... + 283932.

It is an arithmetic number, because the mean of its divisors is an integer number (2378857410).

Almost surely, 2^22201121222 is an apocalyptic number.

22201121222 is a deficient number, since it is larger than the sum of its proper divisors (15860597338).

22201121222 is a wasteful number, since it uses less digits than its factorization.

22201121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110575.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22201121222 its reverse (22212110222), we get a palindrome (44413231444).

The spelling of 22201121222 in words is "twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty-two".