2442166231 has 2 divisors, whose sum is σ = 2442166232. Its totient is φ = 2442166230.

The previous prime is 2442166213. The next prime is 2442166253. The reversal of 2442166231 is 1326612442.

Together with previous prime (2442166213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2442166231 is a prime.

It is a super-2 number, since 2×2442166231² = 11928351799673490722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2442166193 and 2442166202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442166261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221083115 + 1221083116.

It is an arithmetic number, because the mean of its divisors is an integer number (1221083116).

Almost surely, 2^2442166231 is an apocalyptic number.

2442166231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442166231 is an equidigital number, since it uses as much as digits as its factorization.

2442166231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 2442166231 is about 49418.2783087392. The cubic root of 2442166231 is about 1346.6613855529.

Adding to 2442166231 its reverse (1326612442), we get a palindrome (3768778673).

The spelling of 2442166231 in words is "two billion, four hundred forty-two million, one hundred sixty-six thousand, two hundred thirty-one".