11220443 has 8 divisors (see below), whose sum is σ = 12289200. Its totient is φ = 10181088.

The previous prime is 11220427. The next prime is 11220457. The reversal of 11220443 is 34402211.

11220443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11220443 - 2⁴ = 11220427 is a prime.

It is a super-2 number, since 2×11220443² = 251796682232498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6548 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (1536150).

Almost surely, 2^11220443 is an apocalyptic number.

11220443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11220443 is a deficient number, since it is larger than the sum of its proper divisors (1068757).

11220443 is a wasteful number, since it uses less digits than its factorization.

11220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11220443 is about 3349.6929710050. The cubic root of 11220443 is about 223.8738328085.

Adding to 11220443 its reverse (34402211), we get a palindrome (45622654).

The spelling of 11220443 in words is "eleven million, two hundred twenty thousand, four hundred forty-three".