11622212 has 48 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 4840416.

The previous prime is 11622187. The next prime is 11622217. The reversal of 11622212 is 21222611.

It is not an unprimeable number, because it can be changed into a prime (11622217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58898 + ... + 59094.

It is an arithmetic number, because the mean of its divisors is an integer number (508200).

Almost surely, 2^11622212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11622212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12196800).

11622212 is an abundant number, since it is smaller than the sum of its proper divisors (12771388).

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

11622212 is a wasteful number, since it uses less digits than its factorization.

11622212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 249 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 11622212 is about 3409.1365475733. The cubic root of 11622212 is about 226.5146337278.

Adding to 11622212 its reverse (21222611), we get a palindrome (32844823).

The spelling of 11622212 in words is "eleven million, six hundred twenty-two thousand, two hundred twelve".