1132332221 has 8 divisors (see below), whose sum is σ = 1144222200. Its totient is φ = 1120469760.

The previous prime is 1132332217. The next prime is 1132332241. The reversal of 1132332221 is 1222332311.

It can be written as a sum of positive squares in 4 ways, for example, as 463540900 + 668791321 = 21530^2 + 25861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1132332221 - 2² = 1132332217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1132332193 and 1132332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132332241) 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, 81761 + ... + 94601.

It is an arithmetic number, because the mean of its divisors is an integer number (143027775).

Almost surely, 2^1132332221 is an apocalyptic number.

It is an amenable number.

1132332221 is a deficient number, since it is larger than the sum of its proper divisors (11889979).

1132332221 is a wasteful number, since it uses less digits than its factorization.

1132332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13759.

The product of its digits is 432, while the sum is 20.

The square root of 1132332221 is about 33650.1444424835. The cubic root of 1132332221 is about 1042.2965218101.

Adding to 1132332221 its reverse (1222332311), we get a palindrome (2354664532).

The spelling of 1132332221 in words is "one billion, one hundred thirty-two million, three hundred thirty-two thousand, two hundred twenty-one".