82442011 has 2 divisors, whose sum is σ = 82442012. Its totient is φ = 82442010.

The previous prime is 82441987. The next prime is 82442023. The reversal of 82442011 is 11024428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82442011 - 2¹⁹ = 81917723 is a prime.

It is not a weakly prime, because it can be changed into another prime (82442081) 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, 41221005 + 41221006.

It is an arithmetic number, because the mean of its divisors is an integer number (41221006).

Almost surely, 2^82442011 is an apocalyptic number.

82442011 is a deficient number, since it is larger than the sum of its proper divisors (1).

82442011 is an equidigital number, since it uses as much as digits as its factorization.

82442011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 82442011 is about 9079.7583117614. The cubic root of 82442011 is about 435.2273634164.

Adding to 82442011 its reverse (11024428), we get a palindrome (93466439).

The spelling of 82442011 in words is "eighty-two million, four hundred forty-two thousand, eleven".