11433228 has 24 divisors (see below), whose sum is σ = 26925360. Its totient is φ = 3775680.

The previous prime is 11433223. The next prime is 11433229. The reversal of 11433228 is 82233411.

11433228 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11433198 and 11433207.

It is not an unprimeable number, because it can be changed into a prime (11433223) 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, 3063 + ... + 5678.

It is an arithmetic number, because the mean of its divisors is an integer number (1121890).

Almost surely, 2^11433228 is an apocalyptic number.

It is an amenable number.

11433228 is an abundant number, since it is smaller than the sum of its proper divisors (15492132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11433228 is a wasteful number, since it uses less digits than its factorization.

11433228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857 (or 8855 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 11433228 is about 3381.3056649762. The cubic root of 11433228 is about 225.2801645813.

Adding to 11433228 its reverse (82233411), we get a palindrome (93666639).

It can be divided in two parts, 1143 and 3228, that added together give a triangular number (4371 = T₉₃).

The spelling of 11433228 in words is "eleven million, four hundred thirty-three thousand, two hundred twenty-eight".