13225214516 has 12 divisors (see below), whose sum is σ = 23320799040. Its totient is φ = 6562129080.

The previous prime is 13225214479. The next prime is 13225214531. The reversal of 13225214516 is 61541252231.

It is a super-2 number, since 2×13225214516² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 12618956 + ... + 12620003.

It is an arithmetic number, because the mean of its divisors is an integer number (1943399920).

Almost surely, 2^13225214516 is an apocalyptic number.

It is an amenable number.

13225214516 is a deficient number, since it is larger than the sum of its proper divisors (10095584524).

13225214516 is a wasteful number, since it uses less digits than its factorization.

13225214516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25239094 (or 25239092 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 13225214516 its reverse (61541252231), we get a palindrome (74766466747).

The spelling of 13225214516 in words is "thirteen billion, two hundred twenty-five million, two hundred fourteen thousand, five hundred sixteen".