2400220406231 has 2 divisors, whose sum is σ = 2400220406232. Its totient is φ = 2400220406230.

The previous prime is 2400220406209. The next prime is 2400220406239. The reversal of 2400220406231 is 1326040220042.

It is a happy number.

2400220406231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2400220406231 - 2³⁴ = 2383040537047 is a prime.

It is a super-2 number, since 2×2400220406231² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2400220406231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400220406239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200110203115 + 1200110203116.

It is an arithmetic number, because the mean of its divisors is an integer number (1200110203116).

Almost surely, 2^{2400220406231} is an apocalyptic number.

2400220406231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400220406231 is an equidigital number, since it uses as much as digits as its factorization.

2400220406231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2400220406231 its reverse (1326040220042), we get a palindrome (3726260626273).

The spelling of 2400220406231 in words is "two trillion, four hundred billion, two hundred twenty million, four hundred six thousand, two hundred thirty-one".