2440231 has 12 divisors (see below), whose sum is σ = 2730672. Its totient is φ = 2169024.

The previous prime is 2440223. The next prime is 2440237. The reversal of 2440231 is 1320442.

2440231 = 153² + 154² + ... + 221².

2440231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2440231 - 2³ = 2440223 is a prime.

It is a super-2 number, since 2×2440231² = 11909454666722, which contains 22 as substring.

It is a Duffinian number.

2440231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440237) 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 11 ways as a sum of consecutive naturals, for example, 30850 + ... + 30928.

It is an arithmetic number, because the mean of its divisors is an integer number (227556).

2^2440231 is an apocalyptic number.

2440231 is a deficient number, since it is larger than the sum of its proper divisors (290441).

2440231 is an equidigital number, since it uses as much as digits as its factorization.

2440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2440231 is about 1562.1238747295. The cubic root of 2440231 is about 134.6305582645.

Adding to 2440231 its reverse (1320442), we get a palindrome (3760673).

The spelling of 2440231 in words is "two million, four hundred forty thousand, two hundred thirty-one".