422710065 has 12 divisors (see below), whose sum is σ = 732697524. Its totient is φ = 225445344.

The previous prime is 422710063. The next prime is 422710069. The reversal of 422710065 is 560017224.

It can be written as a sum of positive squares in 2 ways, for example, as 173606976 + 249103089 = 13176^2 + 15783^2 .

It is not a de Polignac number, because 422710065 - 2¹ = 422710063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422710063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4696734 + ... + 4696823.

It is an arithmetic number, because the mean of its divisors is an integer number (61058127).

Almost surely, 2^422710065 is an apocalyptic number.

422710065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422710065 is a deficient number, since it is larger than the sum of its proper divisors (309987459).

422710065 is a wasteful number, since it uses less digits than its factorization.

422710065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393568 (or 9393565 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 422710065 is about 20559.9140319214. The cubic root of 422710065 is about 750.4945271855.

Adding to 422710065 its reverse (560017224), we get a palindrome (982727289).

The spelling of 422710065 in words is "four hundred twenty-two million, seven hundred ten thousand, sixty-five".