11222312 has 64 divisors (see below), whose sum is σ = 24235200. Its totient is φ = 4838400.

The previous prime is 11222303. The next prime is 11222317. The reversal of 11222312 is 21322211.

It is a happy number.

11222312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111062 + ... + 111162.

It is an arithmetic number, because the mean of its divisors is an integer number (378675).

Almost surely, 2^11222312 is an apocalyptic number.

It is an amenable number.

11222312 is an abundant number, since it is smaller than the sum of its proper divisors (13012888).

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

11222312 is a wasteful number, since it uses less digits than its factorization.

11222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 182 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 11222312 is about 3349.9719401810. The cubic root of 11222312 is about 223.8862624118.

Adding to 11222312 its reverse (21322211), we get a palindrome (32544523).

The spelling of 11222312 in words is "eleven million, two hundred twenty-two thousand, three hundred twelve".