11315222 has 16 divisors (see below), whose sum is σ = 17971200. Its totient is φ = 5328360.

The previous prime is 11315207. The next prime is 11315231. The reversal of 11315222 is 22251311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11315222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6479 + ... + 8037.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^11315222 is an apocalyptic number.

11315222 is a deficient number, since it is larger than the sum of its proper divisors (6655978).

11315222 is a wasteful number, since it uses less digits than its factorization.

11315222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its digits is 120, while the sum is 17.

The square root of 11315222 is about 3363.8106367630. The cubic root of 11315222 is about 224.5024197701.

Adding to 11315222 its reverse (22251311), we get a palindrome (33566533).

The spelling of 11315222 in words is "eleven million, three hundred fifteen thousand, two hundred twenty-two".