2273244 has 12 divisors (see below), whose sum is σ = 5304264. Its totient is φ = 757744.

The previous prime is 2273239. The next prime is 2273267. The reversal of 2273244 is 4423722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94707 + ... + 94730.

It is an arithmetic number, because the mean of its divisors is an integer number (442022).

2^2273244 is an apocalyptic number.

It is an amenable number.

2273244 is an abundant number, since it is smaller than the sum of its proper divisors (3031020).

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

2273244 is a wasteful number, since it uses less digits than its factorization.

2273244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189444 (or 189442 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 2273244 is about 1507.7280921970. The cubic root of 2273244 is about 131.4867581494.

Adding to 2273244 its reverse (4423722), we get a palindrome (6696966).

The spelling of 2273244 in words is "two million, two hundred seventy-three thousand, two hundred forty-four".