220243223 has 2 divisors, whose sum is σ = 220243224. Its totient is φ = 220243222.

The previous prime is 220243183. The next prime is 220243229. The reversal of 220243223 is 322342022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220243223 - 2⁶ = 220243159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220243195 and 220243204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220243229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110121611 + 110121612.

It is an arithmetic number, because the mean of its divisors is an integer number (110121612).

Almost surely, 2^220243223 is an apocalyptic number.

220243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

220243223 is an equidigital number, since it uses as much as digits as its factorization.

220243223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 220243223 is about 14840.5937549682. The cubic root of 220243223 is about 603.9034601124.

Adding to 220243223 its reverse (322342022), we get a palindrome (542585245).

The spelling of 220243223 in words is "two hundred twenty million, two hundred forty-three thousand, two hundred twenty-three".