7021722612 has 48 divisors (see below), whose sum is σ = 17252970560. Its totient is φ = 2216533248.

The previous prime is 7021722569. The next prime is 7021722623. The reversal of 7021722612 is 2162271207.

It is a self number, because there is not a number n which added to its sum of digits gives 7021722612.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 874488 + ... + 882480.

Almost surely, 2^7021722612 is an apocalyptic number.

It is an amenable number.

7021722612 is an abundant number, since it is smaller than the sum of its proper divisors (10231247948).

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

7021722612 is a wasteful number, since it uses less digits than its factorization.

7021722612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872 (or 11870 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7021722612 is about 83795.7195326826. The cubic root of 7021722612 is about 1914.9078947764.

Adding to 7021722612 its reverse (2162271207), we get a palindrome (9183993819).

It can be divided in two parts, 70217 and 22612, that added together give a palindrome (92829).

The spelling of 7021722612 in words is "seven billion, twenty-one million, seven hundred twenty-two thousand, six hundred twelve".