2243312 has 10 divisors (see below), whose sum is σ = 4346448. Its totient is φ = 1121648.

The previous prime is 2243309. The next prime is 2243317. The reversal of 2243312 is 2133422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70088 + ... + 70119.

2^2243312 is an apocalyptic number.

It is an amenable number.

2243312 is a deficient number, since it is larger than the sum of its proper divisors (2103136).

2243312 is a wasteful number, since it uses less digits than its factorization.

2243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140215 (or 140209 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 2243312 is about 1497.7690075576. The cubic root of 2243312 is about 130.9071073867.

Adding to 2243312 its reverse (2133422), we get a palindrome (4376734).

It can be divided in two parts, 22 and 43312, that added together give a palindrome (43334).

The spelling of 2243312 in words is "two million, two hundred forty-three thousand, three hundred twelve".