12161422 has 16 divisors (see below), whose sum is σ = 22452192. Its totient is φ = 4811040.

The previous prime is 12161417. The next prime is 12161431. The reversal of 12161422 is 22416121.

12161422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12161422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33229 + ... + 33592.

It is an arithmetic number, because the mean of its divisors is an integer number (1403262).

Almost surely, 2^12161422 is an apocalyptic number.

12161422 is a deficient number, since it is larger than the sum of its proper divisors (10290770).

12161422 is a wasteful number, since it uses less digits than its factorization.

12161422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66843.

The product of its digits is 192, while the sum is 19.

The square root of 12161422 is about 3487.3230421055. The cubic root of 12161422 is about 229.9648465492.

Adding to 12161422 its reverse (22416121), we get a palindrome (34577543).

The spelling of 12161422 in words is "twelve million, one hundred sixty-one thousand, four hundred twenty-two".