1222300447 has 2 divisors, whose sum is σ = 1222300448. Its totient is φ = 1222300446.

The previous prime is 1222300441. The next prime is 1222300511. The reversal of 1222300447 is 7440032221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7440032221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222300447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222300441) 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, 611150223 + 611150224.

It is an arithmetic number, because the mean of its divisors is an integer number (611150224).

Almost surely, 2^1222300447 is an apocalyptic number.

1222300447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222300447 is an equidigital number, since it uses as much as digits as its factorization.

1222300447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1222300447 is about 34961.4136870922. The cubic root of 1222300447 is about 1069.2009193902.

Adding to 1222300447 its reverse (7440032221), we get a palindrome (8662332668).

The spelling of 1222300447 in words is "one billion, two hundred twenty-two million, three hundred thousand, four hundred forty-seven".