11216223 has 6 divisors (see below), whose sum is σ = 16201224. Its totient is φ = 7477476.

The previous prime is 11216201. The next prime is 11216239. The reversal of 11216223 is 32261211.

It is not a de Polignac number, because 11216223 - 2¹² = 11212127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11216196 and 11216205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623115 + ... + 623132.

It is an arithmetic number, because the mean of its divisors is an integer number (2700204).

Almost surely, 2^11216223 is an apocalyptic number.

11216223 is a deficient number, since it is larger than the sum of its proper divisors (4985001).

11216223 is a wasteful number, since it uses less digits than its factorization.

11216223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246253 (or 1246250 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11216223 is about 3349.0630032891. The cubic root of 11216223 is about 223.8457630303.

Adding to 11216223 its reverse (32261211), we get a palindrome (43477434).

The spelling of 11216223 in words is "eleven million, two hundred sixteen thousand, two hundred twenty-three".