22222222223 has 2 divisors, whose sum is σ = 22222222224. Its totient is φ = 22222222222.

The previous prime is 22222222189. The next prime is 22222222273. The reversal of 22222222223 is 32222222222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222222223 - 2⁶ = 22222222159 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222222273) 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 as a sum of consecutive naturals, namely, 11111111111 + 11111111112.

It is an arithmetic number, because the mean of its divisors is an integer number (11111111112).

Almost surely, 2^22222222223 is an apocalyptic number.

22222222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222222223 is an equidigital number, since it uses as much as digits as its factorization.

22222222223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 23.

Adding to 22222222223 its reverse (32222222222), we get a palindrome (54444444445).

Subtracting 22222222223 from its reverse (32222222222), we obtain a palindrome (9999999999).

It can be divided in two parts, 2222222222 and 3, that multiplied together give a palindrome (6666666666).

The spelling of 22222222223 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-three".