1224443009 has 8 divisors (see below), whose sum is σ = 1231251840. Its totient is φ = 1217650000.

The previous prime is 1224442993. The next prime is 1224443039. The reversal of 1224443009 is 9003444221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224443009 - 2⁴ = 1224442993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224443039) 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 in 7 ways as a sum of consecutive naturals, for example, 172472 + ... + 179430.

It is an arithmetic number, because the mean of its divisors is an integer number (153906480).

Almost surely, 2^1224443009 is an apocalyptic number.

It is an amenable number.

1224443009 is a deficient number, since it is larger than the sum of its proper divisors (6808831).

1224443009 is an equidigital number, since it uses as much as digits as its factorization.

1224443009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1224443009 is about 34992.0420810218. The cubic root of 1224443009 is about 1069.8252863483.

The spelling of 1224443009 in words is "one billion, two hundred twenty-four million, four hundred forty-three thousand, nine".