22100222201223 has 4 divisors (see below), whose sum is σ = 29466962934968. Its totient is φ = 14733481467480.

The previous prime is 22100222201207. The next prime is 22100222201273. The reversal of 22100222201223 is 32210222200122.

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

It is not a de Polignac number, because 22100222201223 - 2⁴ = 22100222201207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100222201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100222201273) 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, 3683370366868 + ... + 3683370366873.

It is an arithmetic number, because the mean of its divisors is an integer number (7366740733742).

Almost surely, 2^{22100222201223} is an apocalyptic number.

22100222201223 is a deficient number, since it is larger than the sum of its proper divisors (7366740733745).

22100222201223 is an equidigital number, since it uses as much as digits as its factorization.

22100222201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366740733744.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22100222201223 its reverse (32210222200122), we get a palindrome (54310444401345).

The spelling of 22100222201223 in words is "twenty-two trillion, one hundred billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-three".