12422232 has 48 divisors (see below), whose sum is σ = 34560240. Its totient is φ = 4027968.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422232 is 23222421.

12422232 is a `hidden beast` number, since 12 + 422 + 232 = 666.

12422232 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (720005).

Almost surely, 2^12422232 is an apocalyptic number.

12422232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17280120).

12422232 is an abundant number, since it is smaller than the sum of its proper divisors (22138008).

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

12422232 is a wasteful number, since it uses less digits than its factorization.

12422232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712 (or 4705 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 12422232 is about 3524.5186905449. The cubic root of 12422232 is about 231.5971506715.

Adding to 12422232 its reverse (23222421), we get a palindrome (35644653).

The spelling of 12422232 in words is "twelve million, four hundred twenty-two thousand, two hundred thirty-two".