220443213 has 8 divisors (see below), whose sum is σ = 294448608. Its totient is φ = 146699984.

The previous prime is 220443211. The next prime is 220443227. The reversal of 220443213 is 312344022.

220443213 is digitally balanced in base 2, 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 220443213 - 2¹ = 220443211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220443213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220443211) 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, 63570 + ... + 66947.

It is an arithmetic number, because the mean of its divisors is an integer number (36806076).

Almost surely, 2^220443213 is an apocalyptic number.

It is an amenable number.

220443213 is a deficient number, since it is larger than the sum of its proper divisors (74005395).

220443213 is a wasteful number, since it uses less digits than its factorization.

220443213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131083.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 220443213 is about 14847.3301640396. The cubic root of 220443213 is about 604.0861946270.

Adding to 220443213 its reverse (312344022), we get a palindrome (532787235).

The spelling of 220443213 in words is "two hundred twenty million, four hundred forty-three thousand, two hundred thirteen".