13242213224 has 16 divisors (see below), whose sum is σ = 24877937700. Its totient is φ = 6608096512.

The previous prime is 13242213217. The next prime is 13242213227. The reversal of 13242213224 is 42231224231.

It can be written as a sum of positive squares in 2 ways, for example, as 12339210724 + 903002500 = 111082^2 + 30050^2 .

It is a super-2 number, since 2×13242213224² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13242213193 and 13242213202.

It is not an unprimeable number, because it can be changed into a prime (13242213227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621937 + ... + 1630080.

Almost surely, 2^13242213224 is an apocalyptic number.

It is an amenable number.

13242213224 is a deficient number, since it is larger than the sum of its proper divisors (11635724476).

13242213224 is a wasteful number, since it uses less digits than its factorization.

13242213224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252532 (or 3252528 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 13242213224 its reverse (42231224231), we get a palindrome (55473437455).

The spelling of 13242213224 in words is "thirteen billion, two hundred forty-two million, two hundred thirteen thousand, two hundred twenty-four".