422312865 has 16 divisors (see below), whose sum is σ = 727677888. Its totient is φ = 207907776.

The previous prime is 422312837. The next prime is 422312873. The reversal of 422312865 is 568213224.

It is not a de Polignac number, because 422312865 - 2²⁴ = 405535649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082659 + ... + 1083048.

It is an arithmetic number, because the mean of its divisors is an integer number (45479868).

Almost surely, 2^422312865 is an apocalyptic number.

It is an amenable number.

422312865 is a deficient number, since it is larger than the sum of its proper divisors (305365023).

422312865 is a wasteful number, since it uses less digits than its factorization.

422312865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165728.

The product of its digits is 23040, while the sum is 33.

The square root of 422312865 is about 20550.2521882336. The cubic root of 422312865 is about 750.2593858372.

The spelling of 422312865 in words is "four hundred twenty-two million, three hundred twelve thousand, eight hundred sixty-five".