11881222 has 8 divisors (see below), whose sum is σ = 18158256. Its totient is φ = 5828472.

The previous prime is 11881193. The next prime is 11881223. The reversal of 11881222 is 22218811.

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 (11881223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55938 + ... + 56149.

It is an arithmetic number, because the mean of its divisors is an integer number (2269782).

Almost surely, 2^11881222 is an apocalyptic number.

11881222 is a deficient number, since it is larger than the sum of its proper divisors (6277034).

11881222 is a wasteful number, since it uses less digits than its factorization.

11881222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112142.

The product of its digits is 512, while the sum is 25.

The square root of 11881222 is about 3446.9148524441. The cubic root of 11881222 is about 228.1849709598.

The spelling of 11881222 in words is "eleven million, eight hundred eighty-one thousand, two hundred twenty-two".