1224438009 has 8 divisors (see below), whose sum is σ = 1632833952. Its totient is φ = 816167040.

The previous prime is 1224438001. The next prime is 1224438023. The reversal of 1224438009 is 9008344221.

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

It is not a de Polignac number, because 1224438009 - 2³ = 1224438001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224438001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5304 + ... + 49769.

It is an arithmetic number, because the mean of its divisors is an integer number (204104244).

Almost surely, 2^1224438009 is an apocalyptic number.

It is an amenable number.

1224438009 is a deficient number, since it is larger than the sum of its proper divisors (408395943).

1224438009 is an equidigital number, since it uses as much as digits as its factorization.

1224438009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62487.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1224438009 is about 34991.9706361331. The cubic root of 1224438009 is about 1069.8238301396.

The spelling of 1224438009 in words is "one billion, two hundred twenty-four million, four hundred thirty-eight thousand, nine".