22020211 has 2 divisors, whose sum is σ = 22020212. Its totient is φ = 22020210.

The previous prime is 22020209. The next prime is 22020227. The reversal of 22020211 is 11202022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22020211 - 2¹ = 22020209 is a prime.

Together with 22020209, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010105 + 11010106.

It is an arithmetic number, because the mean of its divisors is an integer number (11010106).

Almost surely, 2^22020211 is an apocalyptic number.

22020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020211 is an equidigital number, since it uses as much as digits as its factorization.

22020211 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 10.

The square root of 22020211 is about 4692.5697650648. The cubic root of 22020211 is about 280.2897128890.

Adding to 22020211 its reverse (11202022), we get a palindrome (33222233).

It can be divided in two parts, 2202021 and 1, that added together give a palindrome (2202022).

The spelling of 22020211 in words is "twenty-two million, twenty thousand, two hundred eleven".