11189442 has 32 divisors (see below), whose sum is σ = 25701120. Its totient is φ = 3211920.

The previous prime is 11189441. The next prime is 11189449. The reversal of 11189442 is 24498111.

11189442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11189442² = 250407224542728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11189441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (803160).

Almost surely, 2^11189442 is an apocalyptic number.

11189442 is an abundant number, since it is smaller than the sum of its proper divisors (14511678).

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

11189442 is a wasteful number, since it uses less digits than its factorization.

11189442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958.

The product of its digits is 2304, while the sum is 30.

The square root of 11189442 is about 3345.0623312578. The cubic root of 11189442 is about 223.6674620403.

The spelling of 11189442 in words is "eleven million, one hundred eighty-nine thousand, four hundred forty-two".