20221404223 has 4 divisors (see below), whose sum is σ = 20421616248. Its totient is φ = 20021192200.

The previous prime is 20221404197. The next prime is 20221404257. The reversal of 20221404223 is 32240412202.

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 20221404223 - 2⁹ = 20221403711 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221404194 and 20221404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221404263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100105861 + ... + 100106062.

It is an arithmetic number, because the mean of its divisors is an integer number (5105404062).

Almost surely, 2^20221404223 is an apocalyptic number.

20221404223 is a deficient number, since it is larger than the sum of its proper divisors (200212025).

20221404223 is a wasteful number, since it uses less digits than its factorization.

20221404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200212024.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20221404223 its reverse (32240412202), we get a palindrome (52461816425).

The spelling of 20221404223 in words is "twenty billion, two hundred twenty-one million, four hundred four thousand, two hundred twenty-three".