12022198 has 12 divisors (see below), whose sum is σ = 18468108. Its totient is φ = 5869500.

The previous prime is 12022181. The next prime is 12022223. The reversal of 12022198 is 89122021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2073 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (1539009).

Almost surely, 2^12022198 is an apocalyptic number.

12022198 is a deficient number, since it is larger than the sum of its proper divisors (6445910).

12022198 is an equidigital number, since it uses as much as digits as its factorization.

12022198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3296 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12022198 is about 3467.3041401065. The cubic root of 12022198 is about 229.0839302580.

The spelling of 12022198 in words is "twelve million, twenty-two thousand, one hundred ninety-eight".