12226662 has 48 divisors (see below), whose sum is σ = 31599360. Its totient is φ = 3340656.

The previous prime is 12226649. The next prime is 12226667. The reversal of 12226662 is 26662221.

It is a super-3 number, since 3×12226662³ (a number of 22 digits) contains 333 as substring.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226667) 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 23 ways as a sum of consecutive naturals, for example, 789 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (658320).

Almost surely, 2^12226662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12226662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15799680).

12226662 is an abundant number, since it is smaller than the sum of its proper divisors (19372698).

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

12226662 is a wasteful number, since it uses less digits than its factorization.

12226662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257 (or 4254 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12226662 is about 3496.6644105490. The cubic root of 12226662 is about 230.3753292088.

Adding to 12226662 its reverse (26662221), we get a palindrome (38888883).

The spelling of 12226662 in words is "twelve million, two hundred twenty-six thousand, six hundred sixty-two".