2212782 has 32 divisors (see below), whose sum is σ = 5201280. Its totient is φ = 618720.

The previous prime is 2212781. The next prime is 2212783. The reversal of 2212782 is 2872122.

It is a happy number.

2212782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2212781) and next prime (2212783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212781) 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 15 ways as a sum of consecutive naturals, for example, 432 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (162540).

2^2212782 is an apocalyptic number.

2212782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212782 is an abundant number, since it is smaller than the sum of its proper divisors (2988498).

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

2212782 is a wasteful number, since it uses less digits than its factorization.

2212782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608.

The product of its digits is 896, while the sum is 24.

The square root of 2212782 is about 1487.5422683070. The cubic root of 2212782 is about 130.3105396539.

It can be divided in two parts, 221 and 2782, that added together give a palindrome (3003).

The spelling of 2212782 in words is "two million, two hundred twelve thousand, seven hundred eighty-two".