2305212 has 48 divisors (see below), whose sum is σ = 6623232. Its totient is φ = 607680.

The previous prime is 2305169. The next prime is 2305271. The reversal of 2305212 is 2125032.

2305212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2305191 and 2305200.

It is a congruent number.

It is an unprimeable number.

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, 37 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (137984).

2^2305212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2305212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311616).

2305212 is an abundant number, since it is smaller than the sum of its proper divisors (4318020).

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

2305212 is a wasteful number, since it uses less digits than its factorization.

2305212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2305212 is about 1518.2924619453. The cubic root of 2305212 is about 132.1002452469.

The spelling of 2305212 in words is "two million, three hundred five thousand, two hundred twelve".