1222246667 has 2 divisors, whose sum is σ = 1222246668. Its totient is φ = 1222246666.

The previous prime is 1222246661. The next prime is 1222246681. The reversal of 1222246667 is 7666422221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222246667 - 2⁴ = 1222246651 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1222246667.

It is not a weakly prime, because it can be changed into another prime (1222246661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611123333 + 611123334.

It is an arithmetic number, because the mean of its divisors is an integer number (611123334).

Almost surely, 2^1222246667 is an apocalyptic number.

1222246667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222246667 is an equidigital number, since it uses as much as digits as its factorization.

1222246667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 1222246667 is about 34960.6445449737. The cubic root of 1222246667 is about 1069.1852379024.

Adding to 1222246667 its reverse (7666422221), we get a palindrome (8888668888).

The spelling of 1222246667 in words is "one billion, two hundred twenty-two million, two hundred forty-six thousand, six hundred sixty-seven".