12198226 has 8 divisors (see below), whose sum is σ = 18555264. Its totient is φ = 6013140.

The previous prime is 12198217. The next prime is 12198229. The reversal of 12198226 is 62289121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12198229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42810 + ... + 43093.

It is an arithmetic number, because the mean of its divisors is an integer number (2319408).

Almost surely, 2^12198226 is an apocalyptic number.

12198226 is a deficient number, since it is larger than the sum of its proper divisors (6357038).

12198226 is an equidigital number, since it uses as much as digits as its factorization.

12198226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85976.

The product of its digits is 3456, while the sum is 31.

The square root of 12198226 is about 3492.5958827210. The cubic root of 12198226 is about 230.1965930983.

The spelling of 12198226 in words is "twelve million, one hundred ninety-eight thousand, two hundred twenty-six".