11221233 has 8 divisors (see below), whose sum is σ = 15015648. Its totient is φ = 7453824.

The previous prime is 11221219. The next prime is 11221247. The reversal of 11221233 is 33212211.

It is an interprime number because it is at equal distance from previous prime (11221219) and next prime (11221247).

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

It is not a de Polignac number, because 11221233 - 2²¹ = 9124081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11221253) 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, 5760 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (1876956).

Almost surely, 2^11221233 is an apocalyptic number.

It is an amenable number.

11221233 is a deficient number, since it is larger than the sum of its proper divisors (3794415).

11221233 is a wasteful number, since it uses less digits than its factorization.

11221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13503.

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

The square root of 11221233 is about 3349.8108901847. The cubic root of 11221233 is about 223.8790867953.

Adding to 11221233 its reverse (33212211), we get a palindrome (44433444).

The spelling of 11221233 in words is "eleven million, two hundred twenty-one thousand, two hundred thirty-three".