1367221367 has 2 divisors, whose sum is σ = 1367221368. Its totient is φ = 1367221366.

The previous prime is 1367221237. The next prime is 1367221381. The reversal of 1367221367 is 7631227631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1367221367 - 2²² = 1363027063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1367221367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1367221967) 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, 683610683 + 683610684.

It is an arithmetic number, because the mean of its divisors is an integer number (683610684).

Almost surely, 2^1367221367 is an apocalyptic number.

1367221367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1367221367 is an equidigital number, since it uses as much as digits as its factorization.

1367221367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 1367221367 is about 36975.9566069629. The cubic root of 1367221367 is about 1109.8891664896.

Adding to 1367221367 its reverse (7631227631), we get a palindrome (8998448998).

The spelling of 1367221367 in words is "one billion, three hundred sixty-seven million, two hundred twenty-one thousand, three hundred sixty-seven".