11222418 has 8 divisors (see below), whose sum is σ = 22444848. Its totient is φ = 3740804.

The previous prime is 11222417. The next prime is 11222423. The reversal of 11222418 is 81422211.

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

11222418 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11222394 and 11222403.

It is not an unprimeable number, because it can be changed into a prime (11222417) 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, 935196 + ... + 935207.

It is an arithmetic number, because the mean of its divisors is an integer number (2805606).

Almost surely, 2^11222418 is an apocalyptic number.

11222418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11222418 is a wasteful number, since it uses less digits than its factorization.

11222418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870408.

The product of its digits is 256, while the sum is 21.

The square root of 11222418 is about 3349.9877611717. The cubic root of 11222418 is about 223.8869673131.

Adding to 11222418 its reverse (81422211), we get a palindrome (92644629).

The spelling of 11222418 in words is "eleven million, two hundred twenty-two thousand, four hundred eighteen".