11188442 has 8 divisors (see below), whose sum is σ = 17512416. Its totient is φ = 5350972.

The previous prime is 11188433. The next prime is 11188447. The reversal of 11188442 is 24488111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11188447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121568 + ... + 121659.

It is an arithmetic number, because the mean of its divisors is an integer number (2189052).

Almost surely, 2^11188442 is an apocalyptic number.

11188442 is a deficient number, since it is larger than the sum of its proper divisors (6323974).

11188442 is a wasteful number, since it uses less digits than its factorization.

11188442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243252.

The product of its digits is 2048, while the sum is 29.

The square root of 11188442 is about 3344.9128538723. The cubic root of 11188442 is about 223.6607987910.

The spelling of 11188442 in words is "eleven million, one hundred eighty-eight thousand, four hundred forty-two".