12005222 has 8 divisors (see below), whose sum is σ = 18066672. Its totient is φ = 5983000.

The previous prime is 12005221. The next prime is 12005237. The reversal of 12005222 is 22250021.

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 = 12005197 and 12005206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9029 + ... + 10272.

It is an arithmetic number, because the mean of its divisors is an integer number (2258334).

Almost surely, 2^12005222 is an apocalyptic number.

12005222 is a deficient number, since it is larger than the sum of its proper divisors (6061450).

12005222 is a wasteful number, since it uses less digits than its factorization.

12005222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12005222 is about 3464.8552639324. The cubic root of 12005222 is about 228.9760531267.

Adding to 12005222 its reverse (22250021), we get a palindrome (34255243).

The spelling of 12005222 in words is "twelve million, five thousand, two hundred twenty-two".