11422218 has 8 divisors (see below), whose sum is σ = 22844448. Its totient is φ = 3807404.

The previous prime is 11422217. The next prime is 11422241. The reversal of 11422218 is 81222411.

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

11422218 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11422194 and 11422203.

It is not an unprimeable number, because it can be changed into a prime (11422217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951846 + ... + 951857.

It is an arithmetic number, because the mean of its divisors is an integer number (2855556).

Almost surely, 2^11422218 is an apocalyptic number.

11422218 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.

11422218 is a wasteful number, since it uses less digits than its factorization.

11422218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903708.

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

The square root of 11422218 is about 3379.6772035211. The cubic root of 11422218 is about 225.2078277279.

Adding to 11422218 its reverse (81222411), we get a palindrome (92644629).

The spelling of 11422218 in words is "eleven million, four hundred twenty-two thousand, two hundred eighteen".