22022220202 has 16 divisors (see below), whose sum is σ = 33869456712. Its totient is φ = 10732884480.

The previous prime is 22022220149. The next prime is 22022220271. The reversal of 22022220202 is 20202222022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4548288481 + 17473931721 = 67441^2 + 132189^2 .

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, 28623 + ... + 211810.

Almost surely, 2^22022220202 is an apocalyptic number.

22022220202 is a deficient number, since it is larger than the sum of its proper divisors (11847236510).

22022220202 is a wasteful number, since it uses less digits than its factorization.

22022220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241593.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22022220202 its reverse (20202222022), we get a palindrome (42224442224).

It can be divided in two parts, 2202222020 and 2, that added together give a palindrome (2202222022).

The spelling of 22022220202 in words is "twenty-two billion, twenty-two million, two hundred twenty thousand, two hundred two".