1133230221 has 6 divisors (see below), whose sum is σ = 1636888110. Its totient is φ = 755486808.

The previous prime is 1133230199. The next prime is 1133230223. The reversal of 1133230221 is 1220323311.

1133230221 is a `hidden beast` number, since 11 + 332 + 302 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1106294121 + 26936100 = 33261^2 + 5190^2 .

It is not a de Polignac number, because 1133230221 - 2¹⁵ = 1133197453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133230194 and 1133230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133230223) 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, 62957226 + ... + 62957243.

It is an arithmetic number, because the mean of its divisors is an integer number (272814685).

Almost surely, 2^1133230221 is an apocalyptic number.

It is an amenable number.

1133230221 is a deficient number, since it is larger than the sum of its proper divisors (503657889).

1133230221 is a wasteful number, since it uses less digits than its factorization.

1133230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125914475 (or 125914472 counting only the distinct ones).

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

The square root of 1133230221 is about 33663.4849800195. The cubic root of 1133230221 is about 1042.5719812969.

Adding to 1133230221 its reverse (1220323311), we get a palindrome (2353553532).

The spelling of 1133230221 in words is "one billion, one hundred thirty-three million, two hundred thirty thousand, two hundred twenty-one".