11881022 has 8 divisors (see below), whose sum is σ = 17836896. Its totient is φ = 5935392.

The previous prime is 11881013. The next prime is 11881027. The reversal of 11881022 is 22018811.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881027) 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, 1883 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (2229612).

Almost surely, 2^11881022 is an apocalyptic number.

11881022 is a deficient number, since it is larger than the sum of its proper divisors (5955874).

11881022 is a wasteful number, since it uses less digits than its factorization.

11881022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 11881022 is about 3446.8858408714. The cubic root of 11881022 is about 228.1836905850.

Adding to 11881022 its reverse (22018811), we get a palindrome (33899833).

The spelling of 11881022 in words is "eleven million, eight hundred eighty-one thousand, twenty-two".