12165222 has 8 divisors (see below), whose sum is σ = 24330456. Its totient is φ = 4055072.

The previous prime is 12165221. The next prime is 12165277. The reversal of 12165222 is 22256121.

It is a happy number.

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

12165222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12165221) 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, 1013763 + ... + 1013774.

It is an arithmetic number, because the mean of its divisors is an integer number (3041307).

Almost surely, 2^12165222 is an apocalyptic number.

12165222 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.

12165222 is a wasteful number, since it uses less digits than its factorization.

12165222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027542.

The product of its digits is 480, while the sum is 21.

The square root of 12165222 is about 3487.8678300647. The cubic root of 12165222 is about 229.9887959256.

The spelling of 12165222 in words is "twelve million, one hundred sixty-five thousand, two hundred twenty-two".