1222122222229 has 2 divisors, whose sum is σ = 1222122222230. Its totient is φ = 1222122222228.

The previous prime is 1222122222187. The next prime is 1222122222241. The reversal of 1222122222229 is 9222222212221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170832202500 + 51290019729 = 1082050^2 + 226473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222122222229 - 2¹¹ = 1222122220181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222122222229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222122222029) 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, 611061111114 + 611061111115.

It is an arithmetic number, because the mean of its divisors is an integer number (611061111115).

Almost surely, 2^{1222122222229} is an apocalyptic number.

It is an amenable number.

1222122222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222122222229 is an equidigital number, since it uses as much as digits as its factorization.

1222122222229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The spelling of 1222122222229 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-nine".