3520172224242 has 16 divisors (see below), whose sum is σ = 7822604942880. Its totient is φ = 1173390741396.

The previous prime is 3520172224223. The next prime is 3520172224243. The reversal of 3520172224242 is 2424222710253.

3520172224242 is a `hidden beast` number, since 3 + 5 + 2 + 0 + 1 + 7 + 222 + 424 + 2 = 666.

It is a super-3 number, since 3×3520172224242³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3520172224197 and 3520172224206.

It is not an unprimeable number, because it can be changed into a prime (3520172224243) 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, 32594187208 + ... + 32594187315.

It is an arithmetic number, because the mean of its divisors is an integer number (488912808930).

Almost surely, 2^{3520172224242} is an apocalyptic number.

3520172224242 is an abundant number, since it is smaller than the sum of its proper divisors (4302432718638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3520172224242 is a wasteful number, since it uses less digits than its factorization.

3520172224242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65188374534 (or 65188374528 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Adding to 3520172224242 its reverse (2424222710253), we get a palindrome (5944394934495).

The spelling of 3520172224242 in words is "three trillion, five hundred twenty billion, one hundred seventy-two million, two hundred twenty-four thousand, two hundred forty-two".