22220012211 has 4 divisors (see below), whose sum is σ = 29626682952. Its totient is φ = 14813341472.

The previous prime is 22220012203. The next prime is 22220012219. The reversal of 22220012211 is 11221002222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22220012203) and next prime (22220012219).

It is a cyclic number.

It is not a de Polignac number, because 22220012211 - 2³ = 22220012203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22220012219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3703335366 + ... + 3703335371.

It is an arithmetic number, because the mean of its divisors is an integer number (7406670738).

Almost surely, 2^22220012211 is an apocalyptic number.

22220012211 is a deficient number, since it is larger than the sum of its proper divisors (7406670741).

22220012211 is an equidigital number, since it uses as much as digits as its factorization.

22220012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406670740.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22220012211 its reverse (11221002222), we get a palindrome (33441014433).

The spelling of 22220012211 in words is "twenty-two billion, two hundred twenty million, twelve thousand, two hundred eleven".