12221214 has 8 divisors (see below), whose sum is σ = 24442440. Its totient is φ = 4073736.

The previous prime is 12221207. The next prime is 12221233. The reversal of 12221214 is 41212221.

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

12221214 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12221193 and 12221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018429 + ... + 1018440.

It is an arithmetic number, because the mean of its divisors is an integer number (3055305).

Almost surely, 2^12221214 is an apocalyptic number.

12221214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12221214 is a wasteful number, since it uses less digits than its factorization.

12221214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036874.

The product of its digits is 64, while the sum is 15.

The square root of 12221214 is about 3495.8852956011. The cubic root of 12221214 is about 230.3411069696.

Adding to 12221214 its reverse (41212221), we get a palindrome (53433435).

The spelling of 12221214 in words is "twelve million, two hundred twenty-one thousand, two hundred fourteen".