1224444404 has 24 divisors (see below), whose sum is σ = 2202224640. Its totient is φ = 595260576.

The previous prime is 1224444401. The next prime is 1224444421. The reversal of 1224444404 is 4044444221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224444401) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 396137 + ... + 399215.

It is an arithmetic number, because the mean of its divisors is an integer number (91759360).

Almost surely, 2^1224444404 is an apocalyptic number.

It is an amenable number.

1224444404 is a deficient number, since it is larger than the sum of its proper divisors (977780236).

1224444404 is a wasteful number, since it uses less digits than its factorization.

1224444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807 (or 5805 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 1224444404 is about 34992.0620141197. The cubic root of 1224444404 is about 1069.8256926298.

Adding to 1224444404 its reverse (4044444221), we get a palindrome (5268888625).

The spelling of 1224444404 in words is "one billion, two hundred twenty-four million, four hundred forty-four thousand, four hundred four".