832221 has 16 divisors (see below), whose sum is σ = 1328320. Its totient is φ = 511920.

The previous prime is 832217. The next prime is 832253. The reversal of 832221 is 122238.

It is a happy number.

It is not a de Polignac number, because 832221 - 2² = 832217 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 832194 and 832203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (832211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (83020).

2⁸³²²²¹ is an apocalyptic number.

It is an amenable number.

832221 is a deficient number, since it is larger than the sum of its proper divisors (496099).

832221 is a wasteful number, since it uses less digits than its factorization.

832221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2387 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 832221 is about 912.2614756746. The cubic root of 832221 is about 94.0617144153.

Adding to 832221 its reverse (122238), we get a palindrome (954459).

It can be divided in two parts, 83 and 2221, that added together give a square (2304 = 48²).

The spelling of 832221 in words is "eight hundred thirty-two thousand, two hundred twenty-one".