22208411 has 2 divisors, whose sum is σ = 22208412. Its totient is φ = 22208410.

The previous prime is 22208357. The next prime is 22208413. The reversal of 22208411 is 11480222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22208411 - 2²² = 18014107 is a prime.

Together with 22208413, 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 (22208413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11104205 + 11104206.

It is an arithmetic number, because the mean of its divisors is an integer number (11104206).

Almost surely, 2^22208411 is an apocalyptic number.

22208411 is a deficient number, since it is larger than the sum of its proper divisors (1).

22208411 is an equidigital number, since it uses as much as digits as its factorization.

22208411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22208411 is about 4712.5800788952. The cubic root of 22208411 is about 281.0859655169.

Adding to 22208411 its reverse (11480222), we get a palindrome (33688633).

The spelling of 22208411 in words is "twenty-two million, two hundred eight thousand, four hundred eleven".