2240401231 has 2 divisors, whose sum is σ = 2240401232. Its totient is φ = 2240401230.

The previous prime is 2240401193. The next prime is 2240401297. The reversal of 2240401231 is 1321040422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240401231 - 2²³ = 2232012623 is a prime.

It is a super-2 number, since 2×2240401231² = 10038795351732630722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2240401199 and 2240401208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2280401231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120200615 + 1120200616.

It is an arithmetic number, because the mean of its divisors is an integer number (1120200616).

Almost surely, 2^2240401231 is an apocalyptic number.

2240401231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240401231 is an equidigital number, since it uses as much as digits as its factorization.

2240401231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2240401231 is about 47332.8768510852. The cubic root of 2240401231 is about 1308.5046416261.

Adding to 2240401231 its reverse (1321040422), we get a palindrome (3561441653).

The spelling of 2240401231 in words is "two billion, two hundred forty million, four hundred one thousand, two hundred thirty-one".