1223223122267 has 2 divisors, whose sum is σ = 1223223122268. Its totient is φ = 1223223122266.

The previous prime is 1223223122197. The next prime is 1223223122281. The reversal of 1223223122267 is 7622213223221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223223122267 - 2³² = 1218928154971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223223122167) 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, 611611561133 + 611611561134.

It is an arithmetic number, because the mean of its divisors is an integer number (611611561134).

Almost surely, 2^{1223223122267} is an apocalyptic number.

1223223122267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223223122267 is an equidigital number, since it uses as much as digits as its factorization.

1223223122267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

Adding to 1223223122267 its reverse (7622213223221), we get a palindrome (8845436345488).

The spelling of 1223223122267 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred sixty-seven".