422663761 has 6 divisors (see below), whose sum is σ = 457677510. Its totient is φ = 390151008.

The previous prime is 422663753. The next prime is 422663783. The reversal of 422663761 is 167366224.

It can be written as a sum of positive squares in 3 ways, for example, as 18653761 + 404010000 = 4319^2 + 20100^2 .

It is not a de Polignac number, because 422663761 - 2³ = 422663753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422663761.

It is not an unprimeable number, because it can be changed into a prime (422663261) 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 in 5 ways as a sum of consecutive naturals, for example, 1250316 + ... + 1250653.

It is an arithmetic number, because the mean of its divisors is an integer number (76279585).

Almost surely, 2^422663761 is an apocalyptic number.

It is an amenable number.

422663761 is a deficient number, since it is larger than the sum of its proper divisors (35013749).

422663761 is a wasteful number, since it uses less digits than its factorization.

422663761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500995 (or 2500982 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 422663761 is about 20558.7879263346. The cubic root of 422663761 is about 750.4671229271.

The spelling of 422663761 in words is "four hundred twenty-two million, six hundred sixty-three thousand, seven hundred sixty-one".