2263812 has 24 divisors (see below), whose sum is σ = 5560800. Its totient is φ = 714816.

The previous prime is 2263801. The next prime is 2263817. The reversal of 2263812 is 2183622.

It is not an unprimeable number, because it can be changed into a prime (2263817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4737 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (231700).

2^2263812 is an apocalyptic number.

It is an amenable number.

2263812 is an abundant number, since it is smaller than the sum of its proper divisors (3296988).

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

2263812 is a wasteful number, since it uses less digits than its factorization.

2263812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955 (or 9953 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2263812 is about 1504.5969559985. The cubic root of 2263812 is about 131.3046538824.

The spelling of 2263812 in words is "two million, two hundred sixty-three thousand, eight hundred twelve".