2268812 has 48 divisors (see below), whose sum is σ = 5117952. Its totient is φ = 855360.

The previous prime is 2268793. The next prime is 2268829. The reversal of 2268812 is 2188622.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8237 + ... + 8507.

It is an arithmetic number, because the mean of its divisors is an integer number (106624).

2^2268812 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 2268812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2558976).

2268812 is an abundant number, since it is smaller than the sum of its proper divisors (2849140).

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

2268812 is a wasteful number, since it uses less digits than its factorization.

2268812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 2268812 is about 1506.2576140886. The cubic root of 2268812 is about 131.4012520856.

The spelling of 2268812 in words is "two million, two hundred sixty-eight thousand, eight hundred twelve".