220022122223 has 4 divisors (see below), whose sum is σ = 220023908280. Its totient is φ = 220020336168.

The previous prime is 220022122211. The next prime is 220022122237. The reversal of 220022122223 is 322221220022.

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

It is a cyclic number.

It is not a de Polignac number, because 220022122223 - 2⁴ = 220022122207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220022122195 and 220022122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693365 + ... + 959582.

It is an arithmetic number, because the mean of its divisors is an integer number (55005977070).

Almost surely, 2^220022122223 is an apocalyptic number.

220022122223 is a deficient number, since it is larger than the sum of its proper divisors (1786057).

220022122223 is a wasteful number, since it uses less digits than its factorization.

220022122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786056.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 220022122223 its reverse (322221220022), we get a palindrome (542243342245).

The spelling of 220022122223 in words is "two hundred twenty billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".