2240244 has 24 divisors (see below), whose sum is σ = 5808320. Its totient is φ = 746712.

The previous prime is 2240213. The next prime is 2240267. The reversal of 2240244 is 4420422.

2240244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10264 + ... + 10479.

2^2240244 is an apocalyptic number.

It is an amenable number.

2240244 is an abundant number, since it is smaller than the sum of its proper divisors (3568076).

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

2240244 is a wasteful number, since it uses less digits than its factorization.

2240244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20756 (or 20748 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2240244 is about 1496.7444671687. The cubic root of 2240244 is about 130.8474030695.

Adding to 2240244 its reverse (4420422), we get a palindrome (6660666).

The spelling of 2240244 in words is "two million, two hundred forty thousand, two hundred forty-four".