12056222 has 8 divisors (see below), whose sum is σ = 19036200. Its totient is φ = 5710824.

The previous prime is 12056221. The next prime is 12056243. The reversal of 12056222 is 22265021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12056194 and 12056203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158597 + ... + 158672.

It is an arithmetic number, because the mean of its divisors is an integer number (2379525).

Almost surely, 2^12056222 is an apocalyptic number.

12056222 is a deficient number, since it is larger than the sum of its proper divisors (6979978).

12056222 is a wasteful number, since it uses less digits than its factorization.

12056222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317290.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12056222 is about 3472.2070790781. The cubic root of 12056222 is about 229.2998367075.

The spelling of 12056222 in words is "twelve million, fifty-six thousand, two hundred twenty-two".