1224214949 has 2 divisors, whose sum is σ = 1224214950. Its totient is φ = 1224214948.

The previous prime is 1224214921. The next prime is 1224215021. The reversal of 1224214949 is 9494124221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223250625 + 964324 = 34975^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224214949 - 2¹² = 1224210853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224214909) 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, 612107474 + 612107475.

It is an arithmetic number, because the mean of its divisors is an integer number (612107475).

Almost surely, 2^1224214949 is an apocalyptic number.

It is an amenable number.

1224214949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224214949 is an equidigital number, since it uses as much as digits as its factorization.

1224214949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 1224214949 is about 34988.7831883305. The cubic root of 1224214949 is about 1069.7588617230.

The spelling of 1224214949 in words is "one billion, two hundred twenty-four million, two hundred fourteen thousand, nine hundred forty-nine".