11261222 has 16 divisors (see below), whose sum is σ = 19971360. Its totient is φ = 4659648.

The previous prime is 11261221. The next prime is 11261231. The reversal of 11261222 is 22216211.

It is a self number, because there is not a number n which added to its sum of digits gives 11261222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13463 + ... + 14274.

It is an arithmetic number, because the mean of its divisors is an integer number (1248210).

Almost surely, 2^11261222 is an apocalyptic number.

11261222 is a deficient number, since it is larger than the sum of its proper divisors (8710138).

11261222 is a wasteful number, since it uses less digits than its factorization.

11261222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775.

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

The square root of 11261222 is about 3355.7744262688. The cubic root of 11261222 is about 224.1447167525.

Adding to 11261222 its reverse (22216211), we get a palindrome (33477433).

It can be divided in two parts, 11261 and 222, that multiplied together give a palindrome (2499942).

The spelling of 11261222 in words is "eleven million, two hundred sixty-one thousand, two hundred twenty-two".