422217011 has 2 divisors, whose sum is σ = 422217012. Its totient is φ = 422217010.

The previous prime is 422216999. The next prime is 422217013. The reversal of 422217011 is 110712224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422217011 is a prime.

It is a Sophie Germain prime.

Together with 422217013, 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 (422217013) 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, 211108505 + 211108506.

It is an arithmetic number, because the mean of its divisors is an integer number (211108506).

Almost surely, 2^422217011 is an apocalyptic number.

422217011 is a deficient number, since it is larger than the sum of its proper divisors (1).

422217011 is an equidigital number, since it uses as much as digits as its factorization.

422217011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 422217011 is about 20547.9198703908. The cubic root of 422217011 is about 750.2026184413.

Adding to 422217011 its reverse (110712224), we get a palindrome (532929235).

The spelling of 422217011 in words is "four hundred twenty-two million, two hundred seventeen thousand, eleven".