11226222 has 64 divisors (see below), whose sum is σ = 30205440. Its totient is φ = 3017088.

The previous prime is 11226221. The next prime is 11226223. The reversal of 11226222 is 22262211.

It is an interprime number because it is at equal distance from previous prime (11226221) and next prime (11226223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11226195 and 11226204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11226221) 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 31 ways as a sum of consecutive naturals, for example, 5553 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (471960).

Almost surely, 2^11226222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11226222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15102720).

11226222 is an abundant number, since it is smaller than the sum of its proper divisors (18979218).

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

11226222 is a wasteful number, since it uses less digits than its factorization.

11226222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1776 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11226222 is about 3350.5554763352. Note that the first 3 decimals coincide. The cubic root of 11226222 is about 223.9122610247.

Adding to 11226222 its reverse (22262211), we get a palindrome (33488433).

The spelling of 11226222 in words is "eleven million, two hundred twenty-six thousand, two hundred twenty-two".