22044222211 has 4 divisors (see below), whose sum is σ = 24048242424. Its totient is φ = 20040202000.

The previous prime is 22044222181. The next prime is 22044222217. The reversal of 22044222211 is 11222244022.

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 22044222211 - 2²¹ = 22042125059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22044222217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1002010090 + ... + 1002010111.

It is an arithmetic number, because the mean of its divisors is an integer number (6012060606).

Almost surely, 2^22044222211 is an apocalyptic number.

22044222211 is a deficient number, since it is larger than the sum of its proper divisors (2004020213).

22044222211 is a wasteful number, since it uses less digits than its factorization.

22044222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004020212.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22044222211 its reverse (11222244022), we get a palindrome (33266466233).

The spelling of 22044222211 in words is "twenty-two billion, forty-four million, two hundred twenty-two thousand, two hundred eleven".