2240312 has 16 divisors (see below), whose sum is σ = 4245360. Its totient is φ = 1108224.

The previous prime is 2240299. The next prime is 2240317. The reversal of 2240312 is 2130422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240317) 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, 668 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (265335).

2^2240312 is an apocalyptic number.

It is an amenable number.

2240312 is a deficient number, since it is larger than the sum of its proper divisors (2005048).

2240312 is a wasteful number, since it uses less digits than its factorization.

2240312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2240312 is about 1496.7671829647. The cubic root of 2240312 is about 130.8487269630.

Adding to 2240312 its reverse (2130422), we get a palindrome (4370734).

It can be divided in two parts, 2240 and 312, that added together give a palindrome (2552).

The spelling of 2240312 in words is "two million, two hundred forty thousand, three hundred twelve".