82211041 has 4 divisors (see below), whose sum is σ = 89684784. Its totient is φ = 74737300.

The previous prime is 82211029. The next prime is 82211047. The reversal of 82211041 is 14011228.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82211041 - 2⁷ = 82210913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736855 + ... + 3736876.

It is an arithmetic number, because the mean of its divisors is an integer number (22421196).

Almost surely, 2^82211041 is an apocalyptic number.

It is an amenable number.

82211041 is a deficient number, since it is larger than the sum of its proper divisors (7473743).

82211041 is a wasteful number, since it uses less digits than its factorization.

82211041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473742.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 82211041 is about 9067.0304400063. The cubic root of 82211041 is about 434.8205381181.

Adding to 82211041 its reverse (14011228), we get a palindrome (96222269).

The spelling of 82211041 in words is "eighty-two million, two hundred eleven thousand, forty-one".