2240331 has 4 divisors (see below), whose sum is σ = 2987112. Its totient is φ = 1493552.

The previous prime is 2240323. The next prime is 2240341. The reversal of 2240331 is 1330422.

2240331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2240331 - 2³ = 2240323 is a prime.

It is a super-2 number, since 2×2240331² = 10038165979122, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240331.

It is not an unprimeable number, because it can be changed into a prime (2240321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 373386 + ... + 373391.

It is an arithmetic number, because the mean of its divisors is an integer number (746778).

2^2240331 is an apocalyptic number.

2240331 is a deficient number, since it is larger than the sum of its proper divisors (746781).

2240331 is an equidigital number, since it uses as much as digits as its factorization.

2240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746780.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2240331 is about 1496.7735299637. The cubic root of 2240331 is about 130.8490968696.

Adding to 2240331 its reverse (1330422), we get a palindrome (3570753).

Subtracting from 2240331 its reverse (1330422), we obtain a palindrome (909909).

The spelling of 2240331 in words is "two million, two hundred forty thousand, three hundred thirty-one".