13224220424 has 16 divisors (see below), whose sum is σ = 25322976000. Its totient is φ = 6471426832.

The previous prime is 13224220409. The next prime is 13224220433. The reversal of 13224220424 is 42402242231.

It is a junction number, because it is equal to n+sod(n) for n = 13224220393 and 13224220402.

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, 17585024 + ... + 17585775.

It is an arithmetic number, because the mean of its divisors is an integer number (1582686000).

Almost surely, 2^13224220424 is an apocalyptic number.

It is an amenable number.

13224220424 is a deficient number, since it is larger than the sum of its proper divisors (12098755576).

13224220424 is a wasteful number, since it uses less digits than its factorization.

13224220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35170852 (or 35170848 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 13224220424 its reverse (42402242231), we get a palindrome (55626462655).

The spelling of 13224220424 in words is "thirteen billion, two hundred twenty-four million, two hundred twenty thousand, four hundred twenty-four".