12422118 has 32 divisors (see below), whose sum is σ = 25574400. Its totient is φ = 4021056.

The previous prime is 12422083. The next prime is 12422119. The reversal of 12422118 is 81122421.

It is a junction number, because it is equal to n+sod(n) for n = 12422094 and 12422103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34423 + ... + 34781.

It is an arithmetic number, because the mean of its divisors is an integer number (799200).

Almost surely, 2^12422118 is an apocalyptic number.

12422118 is an abundant number, since it is smaller than the sum of its proper divisors (13152282).

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

12422118 is a wasteful number, since it uses less digits than its factorization.

12422118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its digits is 256, while the sum is 21.

The square root of 12422118 is about 3524.5025180868. The cubic root of 12422118 is about 231.5964422063.

Adding to 12422118 its reverse (81122421), we get a palindrome (93544539).

The spelling of 12422118 in words is "twelve million, four hundred twenty-two thousand, one hundred eighteen".