2442134221 has 2 divisors, whose sum is σ = 2442134222. Its totient is φ = 2442134220.

The previous prime is 2442134173. The next prime is 2442134231. The reversal of 2442134221 is 1224312442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327509225 + 1114624996 = 36435^2 + 33386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2442134221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442134231) 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, 1221067110 + 1221067111.

It is an arithmetic number, because the mean of its divisors is an integer number (1221067111).

Almost surely, 2^2442134221 is an apocalyptic number.

It is an amenable number.

2442134221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442134221 is an equidigital number, since it uses as much as digits as its factorization.

2442134221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 25.

The square root of 2442134221 is about 49417.9544396568. The cubic root of 2442134221 is about 1346.6555018667.

Adding to 2442134221 its reverse (1224312442), we get a palindrome (3666446663).

The spelling of 2442134221 in words is "two billion, four hundred forty-two million, one hundred thirty-four thousand, two hundred twenty-one".