1222182 has 32 divisors (see below), whose sum is σ = 2926560. Its totient is φ = 375840.

The previous prime is 1222171. The next prime is 1222187. The reversal of 1222182 is 2812221.

It is a happy number.

It is a super-2 number, since 2×1222182² = 2987457682248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 169 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (91455).

2^1222182 is an apocalyptic number.

1222182 is an abundant number, since it is smaller than the sum of its proper divisors (1704378).

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

1222182 is a wasteful number, since it uses less digits than its factorization.

1222182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1759 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 1222182 is about 1105.5234054510. The cubic root of 1222182 is about 106.9166381310.

It can be divided in two parts, 122 and 2182, that added together give a square (2304 = 48²).

The spelling of 1222182 in words is "one million, two hundred twenty-two thousand, one hundred eighty-two".