2442142237 has 2 divisors, whose sum is σ = 2442142238. Its totient is φ = 2442142236.

The previous prime is 2442142133. The next prime is 2442142249. The reversal of 2442142237 is 7322412442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2035272996 + 406869241 = 45114^2 + 20171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442142237 - 2¹¹ = 2442140189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2442142199 and 2442142208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442142267) 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 as a sum of consecutive naturals, namely, 1221071118 + 1221071119.

It is an arithmetic number, because the mean of its divisors is an integer number (1221071119).

Almost surely, 2^2442142237 is an apocalyptic number.

It is an amenable number.

2442142237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442142237 is an equidigital number, since it uses as much as digits as its factorization.

2442142237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 31.

The square root of 2442142237 is about 49418.0355437162. The cubic root of 2442142237 is about 1346.6569752744.

Adding to 2442142237 its reverse (7322412442), we get a palindrome (9764554679).

The spelling of 2442142237 in words is "two billion, four hundred forty-two million, one hundred forty-two thousand, two hundred thirty-seven".