1224211207 has 2 divisors, whose sum is σ = 1224211208. Its totient is φ = 1224211206.

The previous prime is 1224211201. The next prime is 1224211213. The reversal of 1224211207 is 7021124221.

It is a balanced prime because it is at equal distance from previous prime (1224211201) and next prime (1224211213).

It is an emirp because it is prime and its reverse (7021124221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224211207 - 2²³ = 1215822599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612105603 + 612105604.

It is an arithmetic number, because the mean of its divisors is an integer number (612105604).

Almost surely, 2^1224211207 is an apocalyptic number.

1224211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224211207 is an equidigital number, since it uses as much as digits as its factorization.

1224211207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1224211207 is about 34988.7297140093. The cubic root of 1224211207 is about 1069.7577717614.

Adding to 1224211207 its reverse (7021124221), we get a palindrome (8245335428).

The spelling of 1224211207 in words is "one billion, two hundred twenty-four million, two hundred eleven thousand, two hundred seven".