14521221304 has 32 divisors (see below), whose sum is σ = 28421147520. Its totient is φ = 6942472416.

The previous prime is 14521221277. The next prime is 14521221383. The reversal of 14521221304 is 40312212541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574027 + ... + 598789.

It is an arithmetic number, because the mean of its divisors is an integer number (888160860).

Almost surely, 2^14521221304 is an apocalyptic number.

It is an amenable number.

14521221304 is a deficient number, since it is larger than the sum of its proper divisors (13899926216).

14521221304 is a wasteful number, since it uses less digits than its factorization.

14521221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27979 (or 27975 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 14521221304 its reverse (40312212541), we get a palindrome (54833433845).

The spelling of 14521221304 in words is "fourteen billion, five hundred twenty-one million, two hundred twenty-one thousand, three hundred four".