12223611667 has 2 divisors, whose sum is σ = 12223611668. Its totient is φ = 12223611666.

The previous prime is 12223611649. The next prime is 12223611683. The reversal of 12223611667 is 76611632221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12223611667 is a prime.

It is not a weakly prime, because it can be changed into another prime (12223611637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111805833 + 6111805834.

It is an arithmetic number, because the mean of its divisors is an integer number (6111805834).

Almost surely, 2^12223611667 is an apocalyptic number.

12223611667 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223611667 is an equidigital number, since it uses as much as digits as its factorization.

12223611667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

It can be divided in two parts, 122236 and 11667, that added together give a triangular number (133903 = T₅₁₇).

The spelling of 12223611667 in words is "twelve billion, two hundred twenty-three million, six hundred eleven thousand, six hundred sixty-seven".