842211 has 8 divisors (see below), whose sum is σ = 1247760. Its totient is φ = 561456.

The previous prime is 842209. The next prime is 842249. The reversal of 842211 is 112248.

It is not a de Polignac number, because 842211 - 2¹ = 842209 is a prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (842291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15570 + ... + 15623.

It is an arithmetic number, because the mean of its divisors is an integer number (155970).

2⁸⁴²²¹¹ is an apocalyptic number.

842211 is a deficient number, since it is larger than the sum of its proper divisors (405549).

842211 is a wasteful number, since it uses less digits than its factorization.

842211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31202 (or 31196 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 842211 is about 917.7205457001. The cubic root of 842211 is about 94.4365913757.

Adding to 842211 its reverse (112248), we get a palindrome (954459).

The spelling of 842211 in words is "eight hundred forty-two thousand, two hundred eleven".