13224420004 has 12 divisors (see below), whose sum is σ = 23197708828. Its totient is φ = 6596503200.

The previous prime is 13224419987. The next prime is 13224420043. The reversal of 13224420004 is 40002442231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4199040000 + 9025380004 = 64800^2 + 95002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3924807 + ... + 3928174.

Almost surely, 2^13224420004 is an apocalyptic number.

It is an amenable number.

13224420004 is a deficient number, since it is larger than the sum of its proper divisors (9973288824).

13224420004 is a wasteful number, since it uses less digits than its factorization.

13224420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853406 (or 7853404 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 13224420004 its reverse (40002442231), we get a palindrome (53226862235).

The spelling of 13224420004 in words is "thirteen billion, two hundred twenty-four million, four hundred twenty thousand, four".