1224420004 has 12 divisors (see below), whose sum is σ = 2143470028. Its totient is φ = 612000000.

The previous prime is 1224419971. The next prime is 1224420007. The reversal of 1224420004 is 4000244221.

It can be written as a sum of positive squares in 2 ways, for example, as 302690404 + 921729600 = 17398^2 + 30360^2 .

It is not an unprimeable number, because it can be changed into a prime (1224420007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38997 + ... + 63004.

Almost surely, 2^1224420004 is an apocalyptic number.

It is an amenable number.

1224420004 is a deficient number, since it is larger than the sum of its proper divisors (919050024).

1224420004 is a wasteful number, since it uses less digits than its factorization.

1224420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105006 (or 105004 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1224420004 is about 34991.7133618804. The cubic root of 1224420004 is about 1069.8185862992.

Adding to 1224420004 its reverse (4000244221), we get a palindrome (5224664225).

The spelling of 1224420004 in words is "one billion, two hundred twenty-four million, four hundred twenty thousand, four".