22218287011 has 2 divisors, whose sum is σ = 22218287012. Its totient is φ = 22218287010.

The previous prime is 22218287009. The next prime is 22218287033. The reversal of 22218287011 is 11078281222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22218287011 - 2¹ = 22218287009 is a prime.

Together with 22218287009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22218287711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109143505 + 11109143506.

It is an arithmetic number, because the mean of its divisors is an integer number (11109143506).

Almost surely, 2^22218287011 is an apocalyptic number.

22218287011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22218287011 is an equidigital number, since it uses as much as digits as its factorization.

22218287011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 34.

The spelling of 22218287011 in words is "twenty-two billion, two hundred eighteen million, two hundred eighty-seven thousand, eleven".