12266244 has 36 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4030320.

The previous prime is 12266237. The next prime is 12266249. The reversal of 12266244 is 44266221.

12266244 is a `hidden beast` number, since 12 + 26 + 624 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12266249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (873600).

Almost surely, 2^12266244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12266244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

12266244 is an abundant number, since it is smaller than the sum of its proper divisors (19183356).

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

12266244 is a wasteful number, since it uses less digits than its factorization.

12266244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 4875 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 12266244 is about 3502.3198026451. The cubic root of 12266244 is about 230.6236633760.

It can be divided in two parts, 122 and 66244, that added together give a palindrome (66366).

The spelling of 12266244 in words is "twelve million, two hundred sixty-six thousand, two hundred forty-four".