11222216 has 16 divisors (see below), whose sum is σ = 21085440. Its totient is φ = 5599440.

The previous prime is 11222209. The next prime is 11222219. The reversal of 11222216 is 61222211.

11222216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11222194 and 11222203.

It is not an unprimeable number, because it can be changed into a prime (11222219) 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, 3701 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (1317840).

Almost surely, 2^11222216 is an apocalyptic number.

It is an amenable number.

11222216 is a deficient number, since it is larger than the sum of its proper divisors (9863224).

11222216 is a wasteful number, since it uses less digits than its factorization.

11222216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924 (or 2920 counting only the distinct ones).

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

The square root of 11222216 is about 3349.9576116721. The cubic root of 11222216 is about 223.8856240067.

Adding to 11222216 its reverse (61222211), we get a palindrome (72444427).

The spelling of 11222216 in words is "eleven million, two hundred twenty-two thousand, two hundred sixteen".