12226838 has 8 divisors (see below), whose sum is σ = 19751088. Its totient is φ = 5643144.

The previous prime is 12226831. The next prime is 12226849. The reversal of 12226838 is 83862221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235106 + ... + 235157.

It is an arithmetic number, because the mean of its divisors is an integer number (2468886).

Almost surely, 2^12226838 is an apocalyptic number.

12226838 is a deficient number, since it is larger than the sum of its proper divisors (7524250).

12226838 is a wasteful number, since it uses less digits than its factorization.

12226838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470278.

The product of its digits is 9216, while the sum is 32.

The square root of 12226838 is about 3496.6895773002. The cubic root of 12226838 is about 230.3764346035.

The spelling of 12226838 in words is "twelve million, two hundred twenty-six thousand, eight hundred thirty-eight".