1214433217 has 2 divisors, whose sum is σ = 1214433218. Its totient is φ = 1214433216.

The previous prime is 1214433163. The next prime is 1214433229. The reversal of 1214433217 is 7123344121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767068416 + 447364801 = 27696^2 + 21151^2 .

It is an emirp because it is prime and its reverse (7123344121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214433217 - 2²⁷ = 1080215489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214433257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607216608 + 607216609.

It is an arithmetic number, because the mean of its divisors is an integer number (607216609).

Almost surely, 2^1214433217 is an apocalyptic number.

It is an amenable number.

1214433217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214433217 is an equidigital number, since it uses as much as digits as its factorization.

1214433217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 1214433217 is about 34848.7190151948. The cubic root of 1214433217 is about 1066.9020407119.

Adding to 1214433217 its reverse (7123344121), we get a palindrome (8337777338).

The spelling of 1214433217 in words is "one billion, two hundred fourteen million, four hundred thirty-three thousand, two hundred seventeen".