422113777 has 2 divisors, whose sum is σ = 422113778. Its totient is φ = 422113776.

The previous prime is 422113753. The next prime is 422113781. The reversal of 422113777 is 777311224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349540416 + 72573361 = 18696^2 + 8519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422113777 is a prime.

It is not a weakly prime, because it can be changed into another prime (422113787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211056888 + 211056889.

It is an arithmetic number, because the mean of its divisors is an integer number (211056889).

Almost surely, 2^422113777 is an apocalyptic number.

It is an amenable number.

422113777 is a deficient number, since it is larger than the sum of its proper divisors (1).

422113777 is an equidigital number, since it uses as much as digits as its factorization.

422113777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 34.

The square root of 422113777 is about 20545.4076863906. The cubic root of 422113777 is about 750.1414707945.

The spelling of 422113777 in words is "four hundred twenty-two million, one hundred thirteen thousand, seven hundred seventy-seven".