22202111 has 2 divisors, whose sum is σ = 22202112. Its totient is φ = 22202110.

The previous prime is 22202093. The next prime is 22202137. The reversal of 22202111 is 11120222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22202111 - 2¹⁰ = 22201087 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22202092 and 22202101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101055 + 11101056.

It is an arithmetic number, because the mean of its divisors is an integer number (11101056).

Almost surely, 2^22202111 is an apocalyptic number.

22202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202111 is an equidigital number, since it uses as much as digits as its factorization.

22202111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 22202111 is about 4711.9116078297. The cubic root of 22202111 is about 281.0593838604.

Adding to 22202111 its reverse (11120222), we get a palindrome (33322333).

The spelling of 22202111 in words is "twenty-two million, two hundred two thousand, one hundred eleven".