13224004442 has 16 divisors (see below), whose sum is σ = 21685633632. Its totient is φ = 5998035120.

The previous prime is 13224004439. The next prime is 13224004447. The reversal of 13224004442 is 24440042231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13224004447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633293 + ... + 653840.

It is an arithmetic number, because the mean of its divisors is an integer number (1355352102).

Almost surely, 2^13224004442 is an apocalyptic number.

13224004442 is a deficient number, since it is larger than the sum of its proper divisors (8461629190).

13224004442 is a wasteful number, since it uses less digits than its factorization.

13224004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287613.

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

Adding to 13224004442 its reverse (24440042231), we get a palindrome (37664046673).

The spelling of 13224004442 in words is "thirteen billion, two hundred twenty-four million, four thousand, four hundred forty-two".