2212182 has 48 divisors (see below), whose sum is σ = 5564832. Its totient is φ = 622080.

The previous prime is 2212181. The next prime is 2212183. The reversal of 2212182 is 2812122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2212181) and next prime (2212183).

It is a super-2 number, since 2×2212182² = 9787498402248, 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 (2212181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12132 + ... + 12312.

It is an arithmetic number, because the mean of its divisors is an integer number (115934).

2^2212182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782416).

2212182 is an abundant number, since it is smaller than the sum of its proper divisors (3352650).

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

2212182 is a wasteful number, since it uses less digits than its factorization.

2212182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 290 counting only the distinct ones).

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

The square root of 2212182 is about 1487.3405796925. The cubic root of 2212182 is about 130.2987606066.

The spelling of 2212182 in words is "two million, two hundred twelve thousand, one hundred eighty-two".