9665422 has 16 divisors (see below), whose sum is σ = 15995952. Its totient is φ = 4351680.

The previous prime is 9665407. The next prime is 9665423. The reversal of 9665422 is 2245669.

It is a d-powerful number, because it can be written as 9³ + 6⁶ + 6⁶ + 5⁵ + 4¹⁰ + 2¹⁷ + 2²³ .

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3468 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (999747).

Almost surely, 2^9665422 is an apocalyptic number.

9665422 is a deficient number, since it is larger than the sum of its proper divisors (6330530).

9665422 is a wasteful number, since it uses less digits than its factorization.

9665422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123.

The product of its digits is 25920, while the sum is 34.

The square root of 9665422 is about 3108.9261811757. The cubic root of 9665422 is about 213.0134077243.

The spelling of 9665422 in words is "nine million, six hundred sixty-five thousand, four hundred twenty-two".