422854777 has 2 divisors, whose sum is σ = 422854778. Its totient is φ = 422854776.

The previous prime is 422854741. The next prime is 422854841. The reversal of 422854777 is 777458224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324864576 + 97990201 = 18024^2 + 9899^2 .

It is a cyclic number.

It is not a de Polignac number, because 422854777 - 2²⁷ = 288637049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422854717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211427388 + 211427389.

It is an arithmetic number, because the mean of its divisors is an integer number (211427389).

Almost surely, 2^422854777 is an apocalyptic number.

It is an amenable number.

422854777 is a deficient number, since it is larger than the sum of its proper divisors (1).

422854777 is an equidigital number, since it uses as much as digits as its factorization.

422854777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 878080, while the sum is 46.

The square root of 422854777 is about 20563.4330061884. The cubic root of 422854777 is about 750.5801596965.

The spelling of 422854777 in words is "four hundred twenty-two million, eight hundred fifty-four thousand, seven hundred seventy-seven".