22222222202211 has 4 divisors (see below), whose sum is σ = 29629629602952. Its totient is φ = 14814814801472.

The previous prime is 22222222202197. The next prime is 22222222202227. The reversal of 22222222202211 is 11220222222222.

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

It is a cyclic number.

It is not a de Polignac number, because 22222222202211 - 2¹⁰ = 22222222201187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22222222202231) 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, 3703703700366 + ... + 3703703700371.

It is an arithmetic number, because the mean of its divisors is an integer number (7407407400738).

Almost surely, 2^{22222222202211} is an apocalyptic number.

22222222202211 is a deficient number, since it is larger than the sum of its proper divisors (7407407400741).

22222222202211 is an equidigital number, since it uses as much as digits as its factorization.

22222222202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407407400740.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22222222202211 its reverse (11220222222222), we get a palindrome (33442444424433).

The spelling of 22222222202211 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred eleven".