11643422 has 16 divisors (see below), whose sum is σ = 20004192. Its totient is φ = 4979040.

The previous prime is 11643421. The next prime is 11643431. The reversal of 11643422 is 22434611.

11643422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643421) 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, 10988 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (1250262).

Almost surely, 2^11643422 is an apocalyptic number.

11643422 is a deficient number, since it is larger than the sum of its proper divisors (8360770).

11643422 is a wasteful number, since it uses less digits than its factorization.

11643422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its digits is 1152, while the sum is 23.

The square root of 11643422 is about 3412.2458879747. The cubic root of 11643422 is about 226.6523429049.

The spelling of 11643422 in words is "eleven million, six hundred forty-three thousand, four hundred twenty-two".