1224430444 has 6 divisors (see below), whose sum is σ = 2142753284. Its totient is φ = 612215220.

The previous prime is 1224430439. The next prime is 1224430453. The reversal of 1224430444 is 4440344221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153053802 + ... + 153053809.

Almost surely, 2^1224430444 is an apocalyptic number.

It is an amenable number.

1224430444 is a deficient number, since it is larger than the sum of its proper divisors (918322840).

1224430444 is a wasteful number, since it uses less digits than its factorization.

1224430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306107615 (or 306107613 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1224430444 is about 34991.8625397392. The cubic root of 1224430444 is about 1069.8216268883.

Adding to 1224430444 its reverse (4440344221), we get a palindrome (5664774665).

The spelling of 1224430444 in words is "one billion, two hundred twenty-four million, four hundred thirty thousand, four hundred forty-four".