7321113522 has 24 divisors (see below), whose sum is σ = 16231307664. Its totient is φ = 2383618104.

The previous prime is 7321113491. The next prime is 7321113559. The reversal of 7321113522 is 2253111237.

7321113522 is a `hidden beast` number, since 7 + 3 + 21 + 113 + 522 = 666.

It is a super-2 number, since 2×7321113522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4728628 + ... + 4730175.

It is an arithmetic number, because the mean of its divisors is an integer number (676304486).

Almost surely, 2^7321113522 is an apocalyptic number.

7321113522 is an abundant number, since it is smaller than the sum of its proper divisors (8910194142).

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

7321113522 is a wasteful number, since it uses less digits than its factorization.

7321113522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458854 (or 9458851 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 7321113522 is about 85563.5057837160. The cubic root of 7321113522 is about 1941.7458264996.

Adding to 7321113522 its reverse (2253111237), we get a palindrome (9574224759).

The spelling of 7321113522 in words is "seven billion, three hundred twenty-one million, one hundred thirteen thousand, five hundred twenty-two".