1132221 has 16 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 707520.

The previous prime is 1132199. The next prime is 1132223. The reversal of 1132221 is 1222311.

It is not a de Polignac number, because 1132221 - 2¹⁹ = 607933 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1132197 and 1132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4075 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2^1132221 is an apocalyptic number.

It is an amenable number.

1132221 is a deficient number, since it is larger than the sum of its proper divisors (474819).

1132221 is a wasteful number, since it uses less digits than its factorization.

1132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its digits is 24, while the sum is 12.

The square root of 1132221 is about 1064.0587389801. The cubic root of 1132221 is about 104.2262394883.

Adding to 1132221 its reverse (1222311), we get a palindrome (2354532).

The spelling of 1132221 in words is "one million, one hundred thirty-two thousand, two hundred twenty-one".