12227194 has 16 divisors (see below), whose sum is σ = 21257856. Its totient is φ = 5166000.

The previous prime is 12227177. The next prime is 12227197. The reversal of 12227194 is 49172221.

It is a super-2 number, since 2×12227194² = 299008546227272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12227197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5157 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (1328616).

Almost surely, 2^12227194 is an apocalyptic number.

12227194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12227194 is a deficient number, since it is larger than the sum of its proper divisors (9030662).

12227194 is a wasteful number, since it uses less digits than its factorization.

12227194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12381.

The product of its digits is 2016, while the sum is 28.

The square root of 12227194 is about 3496.7404822205. The cubic root of 12227194 is about 230.3786704832.

It can be divided in two parts, 12227 and 194, that added together give a palindrome (12421).

The spelling of 12227194 in words is "twelve million, two hundred twenty-seven thousand, one hundred ninety-four".