222123321229 has 2 divisors, whose sum is σ = 222123321230. Its totient is φ = 222123321228.

The previous prime is 222123321193. The next prime is 222123321241. The reversal of 222123321229 is 922123321222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221086159204 + 1037162025 = 470198^2 + 32205^2 .

It is a cyclic number.

It is not a de Polignac number, because 222123321229 - 2²⁵ = 222089766797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222123321229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222123321289) 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 as a sum of consecutive naturals, namely, 111061660614 + 111061660615.

It is an arithmetic number, because the mean of its divisors is an integer number (111061660615).

Almost surely, 2^222123321229 is an apocalyptic number.

It is an amenable number.

222123321229 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123321229 is an equidigital number, since it uses as much as digits as its factorization.

222123321229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The spelling of 222123321229 in words is "two hundred twenty-two billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty-nine".