22221201122 has 16 divisors (see below), whose sum is σ = 33564915000. Its totient is φ = 11032938240.

The previous prime is 22221201091. The next prime is 22221201187. The reversal of 22221201122 is 22110212222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8987229601 + 13233971521 = 94801^2 + 115039^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22221201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351004 + ... + 1367352.

Almost surely, 2^22221201122 is an apocalyptic number.

22221201122 is a deficient number, since it is larger than the sum of its proper divisors (11343713878).

22221201122 is a wasteful number, since it uses less digits than its factorization.

22221201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21061.

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

Adding to 22221201122 its reverse (22110212222), we get a palindrome (44331413344).

The spelling of 22221201122 in words is "twenty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-two".