220443163 has 2 divisors, whose sum is σ = 220443164. Its totient is φ = 220443162.

The previous prime is 220443049. The next prime is 220443191. The reversal of 220443163 is 361344022.

220443163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220443163 is a prime.

It is a super-2 number, since 2×220443163² = 97190376226889138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220443193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110221581 + 110221582.

It is an arithmetic number, because the mean of its divisors is an integer number (110221582).

Almost surely, 2^220443163 is an apocalyptic number.

220443163 is a deficient number, since it is larger than the sum of its proper divisors (1).

220443163 is an equidigital number, since it uses as much as digits as its factorization.

220443163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 220443163 is about 14847.3284802351. The cubic root of 220443163 is about 604.0861489549.

Adding to 220443163 its reverse (361344022), we get a palindrome (581787185).

The spelling of 220443163 in words is "two hundred twenty million, four hundred forty-three thousand, one hundred sixty-three".