12229198 has 8 divisors (see below), whose sum is σ = 19309320. Its totient is φ = 5792760.

The previous prime is 12229187. The next prime is 12229207. The reversal of 12229198 is 89192221.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160873 + ... + 160948.

It is an arithmetic number, because the mean of its divisors is an integer number (2413665).

Almost surely, 2^12229198 is an apocalyptic number.

12229198 is a deficient number, since it is larger than the sum of its proper divisors (7080122).

12229198 is a wasteful number, since it uses less digits than its factorization.

12229198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321842.

The product of its digits is 5184, while the sum is 34.

The square root of 12229198 is about 3497.0270230583. The cubic root of 12229198 is about 230.3912559173.

The spelling of 12229198 in words is "twelve million, two hundred twenty-nine thousand, one hundred ninety-eight".