20224422121223 has 4 divisors (see below), whose sum is σ = 20228450093208. Its totient is φ = 20220394149240.

The previous prime is 20224422121217. The next prime is 20224422121231. The reversal of 20224422121223 is 32212122442202.

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 20224422121223 - 2⁴ = 20224422121207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224422121213) 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, 2013978461 + ... + 2013988502.

It is an arithmetic number, because the mean of its divisors is an integer number (5057112523302).

Almost surely, 2^{20224422121223} is an apocalyptic number.

20224422121223 is a deficient number, since it is larger than the sum of its proper divisors (4027971985).

20224422121223 is an equidigital number, since it uses as much as digits as its factorization.

20224422121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027971984.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20224422121223 its reverse (32212122442202), we get a palindrome (52436544563425).

The spelling of 20224422121223 in words is "twenty trillion, two hundred twenty-four billion, four hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-three".