22160111 has 2 divisors, whose sum is σ = 22160112. Its totient is φ = 22160110.

The previous prime is 22160059. The next prime is 22160113. The reversal of 22160111 is 11106122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22160111 is a prime.

Together with 22160113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22160113) 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 as a sum of consecutive naturals, namely, 11080055 + 11080056.

It is an arithmetic number, because the mean of its divisors is an integer number (11080056).

Almost surely, 2^22160111 is an apocalyptic number.

22160111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22160111 is an equidigital number, since it uses as much as digits as its factorization.

22160111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 22160111 is about 4707.4527082064. The cubic root of 22160111 is about 280.8820441843.

Adding to 22160111 its reverse (11106122), we get a palindrome (33266233).

The spelling of 22160111 in words is "twenty-two million, one hundred sixty thousand, one hundred eleven".