2275812 has 72 divisors (see below), whose sum is σ = 7180992. Its totient is φ = 590400.

The previous prime is 2275771. The next prime is 2275813. The reversal of 2275812 is 2185722.

2275812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2275813) 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 23 ways as a sum of consecutive naturals, for example, 2362 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (99736).

2^2275812 is an apocalyptic number.

2275812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2275812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3590496).

2275812 is an abundant number, since it is smaller than the sum of its proper divisors (4905180).

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

2275812 is a wasteful number, since it uses less digits than its factorization.

2275812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 844 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2275812 is about 1508.5794642643. The cubic root of 2275812 is about 131.5362514327.

The spelling of 2275812 in words is "two million, two hundred seventy-five thousand, eight hundred twelve".