8162211 has 4 divisors (see below), whose sum is σ = 10882952. Its totient is φ = 5441472.

The previous prime is 8162197. The next prime is 8162213. The reversal of 8162211 is 1122618.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8162211 - 2⁵ = 8162179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8162213) 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, 1360366 + ... + 1360371.

It is an arithmetic number, because the mean of its divisors is an integer number (2720738).

Almost surely, 2^8162211 is an apocalyptic number.

8162211 is a deficient number, since it is larger than the sum of its proper divisors (2720741).

8162211 is a wasteful number, since it uses less digits than its factorization.

8162211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720740.

The product of its digits is 192, while the sum is 21.

The square root of 8162211 is about 2856.9583476138. The cubic root of 8162211 is about 201.3427236263.

Adding to 8162211 its reverse (1122618), we get a palindrome (9284829).

The spelling of 8162211 in words is "eight million, one hundred sixty-two thousand, two hundred eleven".