11172422 has 8 divisors (see below), whose sum is σ = 16784400. Its totient is φ = 5577624.

The previous prime is 11172419. The next prime is 11172443. The reversal of 11172422 is 22427111.

11172422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11172394 and 11172403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (2098050).

Almost surely, 2^11172422 is an apocalyptic number.

11172422 is a deficient number, since it is larger than the sum of its proper divisors (5611978).

11172422 is an equidigital number, since it uses as much as digits as its factorization.

11172422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8590.

The product of its digits is 224, while the sum is 20.

The square root of 11172422 is about 3342.5173148392. The cubic root of 11172422 is about 223.5539993675.

Adding to 11172422 its reverse (22427111), we get a palindrome (33599533).

The spelling of 11172422 in words is "eleven million, one hundred seventy-two thousand, four hundred twenty-two".