11322216 has 24 divisors (see below), whose sum is σ = 30664530. Its totient is φ = 3774048.

The previous prime is 11322211. The next prime is 11322217. The reversal of 11322216 is 61222311.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 72900 = 3354^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 (11322211) 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 5 ways as a sum of consecutive naturals, for example, 78555 + ... + 78698.

Almost surely, 2^11322216 is an apocalyptic number.

It is an amenable number.

11322216 is an abundant number, since it is smaller than the sum of its proper divisors (19342314).

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

11322216 is a wasteful number, since it uses less digits than its factorization.

11322216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157265 (or 157258 counting only the distinct ones).

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

The square root of 11322216 is about 3364.8500709541. The cubic root of 11322216 is about 224.5486656303.

Adding to 11322216 its reverse (61222311), we get a palindrome (72544527).

The spelling of 11322216 in words is "eleven million, three hundred twenty-two thousand, two hundred sixteen".