11231222 has 8 divisors (see below), whose sum is σ = 17579376. Its totient is φ = 5371432.

The previous prime is 11231219. The next prime is 11231243. The reversal of 11231222 is 22213211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11231222² = 252280695226568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231197 and 11231206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122033 + ... + 122124.

It is an arithmetic number, because the mean of its divisors is an integer number (2197422).

Almost surely, 2^11231222 is an apocalyptic number.

11231222 is a deficient number, since it is larger than the sum of its proper divisors (6348154).

11231222 is a wasteful number, since it uses less digits than its factorization.

11231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244182.

The product of its digits is 48, while the sum is 14.

The square root of 11231222 is about 3351.3015382087. The cubic root of 11231222 is about 223.9454985388.

Adding to 11231222 its reverse (22213211), we get a palindrome (33444433).

The spelling of 11231222 in words is "eleven million, two hundred thirty-one thousand, two hundred twenty-two".