11222122 has 8 divisors (see below), whose sum is σ = 17719200. Its totient is φ = 5315724.

The previous prime is 11222089. The next prime is 11222129. The reversal of 11222122 is 22122211.

It is a happy number.

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

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

It is not an unprimeable number, because it can be changed into a prime (11222129) 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, 147622 + ... + 147697.

It is an arithmetic number, because the mean of its divisors is an integer number (2214900).

Almost surely, 2^11222122 is an apocalyptic number.

11222122 is a deficient number, since it is larger than the sum of its proper divisors (6497078).

11222122 is a wasteful number, since it uses less digits than its factorization.

11222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295340.

The product of its digits is 32, while the sum is 13.

The square root of 11222122 is about 3349.9435816145. The cubic root of 11222122 is about 223.8849988982.

Adding to 11222122 its reverse (22122211), we get a palindrome (33344333).

The spelling of 11222122 in words is "eleven million, two hundred twenty-two thousand, one hundred twenty-two".