2285812 has 6 divisors (see below), whose sum is σ = 4000178. Its totient is φ = 1142904.

The previous prime is 2285797. The next prime is 2285813. The reversal of 2285812 is 2185822.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 364816 = 1386^2 + 604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285723 + ... + 285730.

2^2285812 is an apocalyptic number.

It is an amenable number.

2285812 is a deficient number, since it is larger than the sum of its proper divisors (1714366).

2285812 is a wasteful number, since it uses less digits than its factorization.

2285812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571457 (or 571455 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 2285812 is about 1511.8902076540. The cubic root of 2285812 is about 131.7286282811.

The spelling of 2285812 in words is "two million, two hundred eighty-five thousand, eight hundred twelve".