422645565 has 32 divisors (see below), whose sum is σ = 706417920. Its totient is φ = 215502336.

The previous prime is 422645533. The next prime is 422645569. The reversal of 422645565 is 565546224.

It is not a de Polignac number, because 422645565 - 2⁵ = 422645533 is a prime.

It is a super-2 number, since 2×422645565² = 357258547228338450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422645569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40089 + ... + 49521.

It is an arithmetic number, because the mean of its divisors is an integer number (22075560).

Almost surely, 2^422645565 is an apocalyptic number.

It is an amenable number.

422645565 is a deficient number, since it is larger than the sum of its proper divisors (283772355).

422645565 is a wasteful number, since it uses less digits than its factorization.

422645565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573.

The product of its digits is 288000, while the sum is 39.

The square root of 422645565 is about 20558.3453857551. The cubic root of 422645565 is about 750.4563533769.

The spelling of 422645565 in words is "four hundred twenty-two million, six hundred forty-five thousand, five hundred sixty-five".