11665422 has 12 divisors (see below), whose sum is σ = 25275120. Its totient is φ = 3888468.

The previous prime is 11665403. The next prime is 11665429. The reversal of 11665422 is 22456611.

11665422 is a `hidden beast` number, since 1 + 1 + 6 + 654 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324022 + ... + 324057.

It is an arithmetic number, because the mean of its divisors is an integer number (2106260).

Almost surely, 2^11665422 is an apocalyptic number.

11665422 is an abundant number, since it is smaller than the sum of its proper divisors (13609698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11665422 is a wasteful number, since it uses less digits than its factorization.

11665422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648087 (or 648084 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11665422 is about 3415.4680499164. The cubic root of 11665422 is about 226.7950046957.

The spelling of 11665422 in words is "eleven million, six hundred sixty-five thousand, four hundred twenty-two".