7212313322 has 16 divisors (see below), whose sum is σ = 11437605600. Its totient is φ = 3401436240.

The previous prime is 7212313313. The next prime is 7212313357. The reversal of 7212313322 is 2233132127.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7212313291 and 7212313300.

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 7 ways as a sum of consecutive naturals, for example, 405704 + ... + 423107.

It is an arithmetic number, because the mean of its divisors is an integer number (714850350).

Almost surely, 2^7212313322 is an apocalyptic number.

7212313322 is a deficient number, since it is larger than the sum of its proper divisors (4225292278).

7212313322 is a wasteful number, since it uses less digits than its factorization.

7212313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829061.

The product of its digits is 3024, while the sum is 26.

The square root of 7212313322 is about 84925.3396931681. The cubic root of 7212313322 is about 1932.0789183785.

Adding to 7212313322 its reverse (2233132127), we get a palindrome (9445445449).

The spelling of 7212313322 in words is "seven billion, two hundred twelve million, three hundred thirteen thousand, three hundred twenty-two".