12227798 has 16 divisors (see below), whose sum is σ = 20160144. Its totient is φ = 5516160.

The previous prime is 12227783. The next prime is 12227801. The reversal of 12227798 is 89772221.

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 7 ways as a sum of consecutive naturals, for example, 986 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (1260009).

Almost surely, 2^12227798 is an apocalyptic number.

12227798 is a deficient number, since it is larger than the sum of its proper divisors (7932346).

12227798 is a wasteful number, since it uses less digits than its factorization.

12227798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its digits is 28224, while the sum is 38.

The square root of 12227798 is about 3496.8268473003. The cubic root of 12227798 is about 230.3824638426.

The spelling of 12227798 in words is "twelve million, two hundred twenty-seven thousand, seven hundred ninety-eight".