2223844 has 12 divisors (see below), whose sum is σ = 4447744. Its totient is φ = 953064.

The previous prime is 2223841. The next prime is 2223853. The reversal of 2223844 is 4483222.

2223844 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2223841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39684 + ... + 39739.

2^2223844 is an apocalyptic number.

It is an amenable number.

2223844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2223844 is a wasteful number, since it uses less digits than its factorization.

2223844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79434 (or 79432 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 2223844 is about 1491.2558465937. The cubic root of 2223844 is about 130.5273255463.

The spelling of 2223844 in words is "two million, two hundred twenty-three thousand, eight hundred forty-four".