2212849 has 4 divisors (see below), whose sum is σ = 2243236. Its totient is φ = 2182464.

The previous prime is 2212831. The next prime is 2212871. The reversal of 2212849 is 9482122.

2212849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 535824 = 1295^2 + 732^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212849 - 2⁵ = 2212817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212349) 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, 15084 + ... + 15229.

It is an arithmetic number, because the mean of its divisors is an integer number (560809).

2^2212849 is an apocalyptic number.

It is an amenable number.

2212849 is a deficient number, since it is larger than the sum of its proper divisors (30387).

2212849 is an equidigital number, since it uses as much as digits as its factorization.

2212849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30386.

The product of its digits is 2304, while the sum is 28.

The square root of 2212849 is about 1487.5647885050. The cubic root of 2212849 is about 130.3118548487.

The spelling of 2212849 in words is "two million, two hundred twelve thousand, eight hundred forty-nine".