11630228 has 12 divisors (see below), whose sum is σ = 20377140. Its totient is φ = 5808192.

The previous prime is 11630219. The next prime is 11630233. The reversal of 11630228 is 82203611.

11630228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10876804 + 753424 = 3298^2 + 868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (1698095).

Almost surely, 2^11630228 is an apocalyptic number.

It is an amenable number.

11630228 is a deficient number, since it is larger than the sum of its proper divisors (8746912).

11630228 is a wasteful number, since it uses less digits than its factorization.

11630228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3464 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11630228 is about 3410.3120091863. The cubic root of 11630228 is about 226.5666985159.

Adding to 11630228 its reverse (82203611), we get a palindrome (93833839).

The spelling of 11630228 in words is "eleven million, six hundred thirty thousand, two hundred twenty-eight".