1130332221 has 6 divisors (see below), whose sum is σ = 1632702110. Its totient is φ = 753554808.

The previous prime is 1130332123. The next prime is 1130332241. The reversal of 1130332221 is 1222330311.

1130332221 is a `hidden beast` number, since 113 + 0 + 332 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1032915321 + 97416900 = 32139^2 + 9870^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1130332221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130332194 and 1130332203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130332241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62796226 + ... + 62796243.

Almost surely, 2^1130332221 is an apocalyptic number.

It is an amenable number.

1130332221 is a deficient number, since it is larger than the sum of its proper divisors (502369889).

1130332221 is a wasteful number, since it uses less digits than its factorization.

1130332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125592475 (or 125592472 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130332221 is about 33620.4137541465. The cubic root of 1130332221 is about 1041.6825024949.

Adding to 1130332221 its reverse (1222330311), we get a palindrome (2352662532).

The spelling of 1130332221 in words is "one billion, one hundred thirty million, three hundred thirty-two thousand, two hundred twenty-one".