22222222222223 has 4 divisors (see below), whose sum is σ = 22277639235648. Its totient is φ = 22166805208800.

The previous prime is 22222222222201. The next prime is 22222222222229. The reversal of 22222222222223 is 32222222222222.

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 22222222222223 - 2⁶ = 22222222222159 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222222222229) 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, 27708506111 + ... + 27708506912.

It is an arithmetic number, because the mean of its divisors is an integer number (5569409808912).

Almost surely, 2^{22222222222223} is an apocalyptic number.

22222222222223 is a deficient number, since it is larger than the sum of its proper divisors (55417013425).

22222222222223 is an equidigital number, since it uses as much as digits as its factorization.

22222222222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55417013424.

The product of its digits is 24576, while the sum is 29.

Adding to 22222222222223 its reverse (32222222222222), we get a palindrome (54444444444445).

Subtracting 22222222222223 from its reverse (32222222222222), we obtain a palindrome (9999999999999).

It can be divided in two parts, 2222222222222 and 3, that multiplied together give a palindrome (6666666666666).

The spelling of 22222222222223 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-three".