22020112210 has 16 divisors (see below), whose sum is σ = 39640573656. Its totient is φ = 8807073408.

The previous prime is 22020112207. The next prime is 22020112241. The reversal of 22020112210 is 1221102022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16502742369 + 5517369841 = 128463^2 + 74279^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22389 + ... + 211048.

Almost surely, 2^22020112210 is an apocalyptic number.

22020112210 is a deficient number, since it is larger than the sum of its proper divisors (17620461446).

22020112210 is a wasteful number, since it uses less digits than its factorization.

22020112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242877.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22020112210 its reverse (1221102022), we get a palindrome (23241214232).

The spelling of 22020112210 in words is "twenty-two billion, twenty million, one hundred twelve thousand, two hundred ten".