1222186 has 8 divisors (see below), whose sum is σ = 2095200. Its totient is φ = 523788.

The previous prime is 1222171. The next prime is 1222187. The reversal of 1222186 is 6812221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222187) 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, 43636 + ... + 43663.

It is an arithmetic number, because the mean of its divisors is an integer number (261900).

2^1222186 is an apocalyptic number.

1222186 is a deficient number, since it is larger than the sum of its proper divisors (873014).

1222186 is an equidigital number, since it uses as much as digits as its factorization.

1222186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87308.

The product of its digits is 384, while the sum is 22.

The square root of 1222186 is about 1105.5252145474. The cubic root of 1222186 is about 106.9167547711.

The spelling of 1222186 in words is "one million, two hundred twenty-two thousand, one hundred eighty-six".