11222266 has 24 divisors (see below), whose sum is σ = 18768960. Its totient is φ = 5027880.

The previous prime is 11222257. The next prime is 11222287. The reversal of 11222266 is 66222211.

11222266 = T₄₄ + T₄₅ + ... + T₄₀₆.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18825 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (782040).

Almost surely, 2^11222266 is an apocalyptic number.

11222266 is a deficient number, since it is larger than the sum of its proper divisors (7546694).

11222266 is a wasteful number, since it uses less digits than its factorization.

11222266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 679 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 11222266 is about 3349.9650744448. The cubic root of 11222266 is about 223.8859565098.

Adding to 11222266 its reverse (66222211), we get a palindrome (77444477).

Subtracting 11222266 from its reverse (66222211), we obtain a palindrome (54999945).

It can be divided in two parts, 1122 and 2266, that multiplied together give a palindrome (2542452).

The spelling of 11222266 in words is "eleven million, two hundred twenty-two thousand, two hundred sixty-six".