11331222 has 16 divisors (see below), whose sum is σ = 25900032. Its totient is φ = 3237480.

The previous prime is 11331217. The next prime is 11331227. The reversal of 11331222 is 22213311.

It is an interprime number because it is at equal distance from previous prime (11331217) and next prime (11331227).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331227) 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, 134854 + ... + 134937.

It is an arithmetic number, because the mean of its divisors is an integer number (1618752).

Almost surely, 2^11331222 is an apocalyptic number.

11331222 is an abundant number, since it is smaller than the sum of its proper divisors (14568810).

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

11331222 is a wasteful number, since it uses less digits than its factorization.

11331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269803.

The product of its digits is 72, while the sum is 15.

The square root of 11331222 is about 3366.1880517880. The cubic root of 11331222 is about 224.6081872330.

Adding to 11331222 its reverse (22213311), we get a palindrome (33544533).

The spelling of 11331222 in words is "eleven million, three hundred thirty-one thousand, two hundred twenty-two".