22220122022 has 12 divisors (see below), whose sum is σ = 38771845740. Its totient is φ = 9522909396.

The previous prime is 22220121977. The next prime is 22220122063. The reversal of 22220122022 is 22022102222.

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 5 ways as a sum of consecutive naturals, for example, 113367872 + ... + 113368067.

It is an arithmetic number, because the mean of its divisors is an integer number (3230987145).

Almost surely, 2^22220122022 is an apocalyptic number.

22220122022 is a deficient number, since it is larger than the sum of its proper divisors (16551723718).

22220122022 is a wasteful number, since it uses less digits than its factorization.

22220122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226735955 (or 226735948 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220122022 its reverse (22022102222), we get a palindrome (44242224244).

The spelling of 22220122022 in words is "twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".