2201221443 has 4 divisors (see below), whose sum is σ = 2934961928. Its totient is φ = 1467480960.

The previous prime is 2201221439. The next prime is 2201221447. The reversal of 2201221443 is 3441221022.

2201221443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2201221439) and next prime (2201221447).

It is not a de Polignac number, because 2201221443 - 2² = 2201221439 is a prime.

It is a super-2 number, since 2×2201221443² = 9690751682246004498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201221447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366870238 + ... + 366870243.

It is an arithmetic number, because the mean of its divisors is an integer number (733740482).

Almost surely, 2^2201221443 is an apocalyptic number.

2201221443 is a deficient number, since it is larger than the sum of its proper divisors (733740485).

2201221443 is an equidigital number, since it uses as much as digits as its factorization.

2201221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733740484.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2201221443 is about 46917.1764175979. The cubic root of 2201221443 is about 1300.8320990350.

Adding to 2201221443 its reverse (3441221022), we get a palindrome (5642442465).

The spelling of 2201221443 in words is "two billion, two hundred one million, two hundred twenty-one thousand, four hundred forty-three".