1163630227 has 4 divisors (see below), whose sum is σ = 1168266456. Its totient is φ = 1158994000.

The previous prime is 1163630213. The next prime is 1163630323. The reversal of 1163630227 is 7220363611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163630227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163630207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2317738 + ... + 2318239.

It is an arithmetic number, because the mean of its divisors is an integer number (292066614).

Almost surely, 2^1163630227 is an apocalyptic number.

1163630227 is a deficient number, since it is larger than the sum of its proper divisors (4636229).

1163630227 is an equidigital number, since it uses as much as digits as its factorization.

1163630227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636228.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1163630227 is about 34112.0246687294. The cubic root of 1163630227 is about 1051.8125087539.

Adding to 1163630227 its reverse (7220363611), we get a palindrome (8383993838).

The spelling of 1163630227 in words is "one billion, one hundred sixty-three million, six hundred thirty thousand, two hundred twenty-seven".