220000001223 has 16 divisors (see below), whose sum is σ = 310979373056. Its totient is φ = 138099388320.

The previous prime is 220000001191. The next prime is 220000001233. The reversal of 220000001223 is 322100000022.

220000001223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220000001223 - 2⁵ = 220000001191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220000001199 and 220000001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000001233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31964011 + ... + 31970892.

It is an arithmetic number, because the mean of its divisors is an integer number (19436210816).

Almost surely, 2^220000001223 is an apocalyptic number.

220000001223 is a deficient number, since it is larger than the sum of its proper divisors (90979371833).

220000001223 is a wasteful number, since it uses less digits than its factorization.

220000001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63934974.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 220000001223 its reverse (322100000022), we get a palindrome (542100001245).

The spelling of 220000001223 in words is "two hundred twenty billion, one thousand, two hundred twenty-three".