422771611 has 2 divisors, whose sum is σ = 422771612. Its totient is φ = 422771610.

The previous prime is 422771593. The next prime is 422771617. The reversal of 422771611 is 116177224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422771611 - 2⁹ = 422771099 is a prime.

It is not a weakly prime, because it can be changed into another prime (422771617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211385805 + 211385806.

It is an arithmetic number, because the mean of its divisors is an integer number (211385806).

Almost surely, 2^422771611 is an apocalyptic number.

422771611 is a deficient number, since it is larger than the sum of its proper divisors (1).

422771611 is an equidigital number, since it uses as much as digits as its factorization.

422771611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 422771611 is about 20561.4107249478. The cubic root of 422771611 is about 750.5309490724.

The spelling of 422771611 in words is "four hundred twenty-two million, seven hundred seventy-one thousand, six hundred eleven".