11858228 has 6 divisors (see below), whose sum is σ = 20751906. Its totient is φ = 5929112.

The previous prime is 11858227. The next prime is 11858243. The reversal of 11858228 is 82285811.

11858228 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 only one way, i.e., 10484644 + 1373584 = 3238^2 + 1172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1482275 + ... + 1482282.

It is an arithmetic number, because the mean of its divisors is an integer number (3458651).

Almost surely, 2^11858228 is an apocalyptic number.

It is an amenable number.

11858228 is a deficient number, since it is larger than the sum of its proper divisors (8893678).

11858228 is a wasteful number, since it uses less digits than its factorization.

11858228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964561 (or 2964559 counting only the distinct ones).

The product of its digits is 10240, while the sum is 35.

The square root of 11858228 is about 3443.5777906125. The cubic root of 11858228 is about 228.0376720352.

The spelling of 11858228 in words is "eleven million, eight hundred fifty-eight thousand, two hundred twenty-eight".