12227838 has 32 divisors (see below), whose sum is σ = 28216320. Its totient is φ = 3460320.

The previous prime is 12227837. The next prime is 12227863. The reversal of 12227838 is 83872221.

It is a junction number, because it is equal to n+sod(n) for n = 12227799 and 12227808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (881760).

Almost surely, 2^12227838 is an apocalyptic number.

12227838 is an abundant number, since it is smaller than the sum of its proper divisors (15988482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12227838 is a wasteful number, since it uses less digits than its factorization.

12227838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792.

The product of its digits is 10752, while the sum is 33.

The square root of 12227838 is about 3496.8325667667. The cubic root of 12227838 is about 230.3827150541.

The spelling of 12227838 in words is "twelve million, two hundred twenty-seven thousand, eight hundred thirty-eight".