2243244 has 24 divisors (see below), whose sum is σ = 5277888. Its totient is φ = 741520.

The previous prime is 2243221. The next prime is 2243251. The reversal of 2243244 is 4423422.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2243244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859 + ... + 2285.

It is an arithmetic number, because the mean of its divisors is an integer number (219912).

2^2243244 is an apocalyptic number.

It is an amenable number.

2243244 is an abundant number, since it is smaller than the sum of its proper divisors (3034644).

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

2243244 is a wasteful number, since it uses less digits than its factorization.

2243244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565 (or 1563 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 2243244 is about 1497.7463069559. The cubic root of 2243244 is about 130.9057846738.

Adding to 2243244 its reverse (4423422), we get a palindrome (6666666).

The spelling of 2243244 in words is "two million, two hundred forty-three thousand, two hundred forty-four".