12226180 has 24 divisors (see below), whose sum is σ = 25746840. Its totient is φ = 4876800.

The previous prime is 12226127. The next prime is 12226187. The reversal of 12226180 is 8162221.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 12054784 = 414^2 + 3472^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12226187) 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 7 ways as a sum of consecutive naturals, for example, 9580 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (1072785).

Almost surely, 2^12226180 is an apocalyptic number.

12226180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12226180 is an abundant number, since it is smaller than the sum of its proper divisors (13520660).

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

12226180 is a wasteful number, since it uses less digits than its factorization.

12226180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 12226180 is about 3496.5954870416. The cubic root of 12226180 is about 230.3723018803.

The spelling of 12226180 in words is "twelve million, two hundred twenty-six thousand, one hundred eighty".