20220111223 has 4 divisors (see below), whose sum is σ = 21775504408. Its totient is φ = 18664718040.

The previous prime is 20220111217. The next prime is 20220111227. The reversal of 20220111223 is 32211102202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220111223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220111197 and 20220111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220111227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777696573 + ... + 777696598.

It is an arithmetic number, because the mean of its divisors is an integer number (5443876102).

Almost surely, 2^20220111223 is an apocalyptic number.

20220111223 is a deficient number, since it is larger than the sum of its proper divisors (1555393185).

20220111223 is a wasteful number, since it uses less digits than its factorization.

20220111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555393184.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20220111223 its reverse (32211102202), we get a palindrome (52431213425).

The spelling of 20220111223 in words is "twenty billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty-three".