7011722228 has 72 divisors (see below), whose sum is σ = 15510055680. Its totient is φ = 2754984960.

The previous prime is 7011722177. The next prime is 7011722239. The reversal of 7011722228 is 8222271107.

It is a junction number, because it is equal to n+sod(n) for n = 7011722194 and 7011722203.

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 23 ways as a sum of consecutive naturals, for example, 85076 + ... + 145812.

It is an arithmetic number, because the mean of its divisors is an integer number (215417440).

Almost surely, 2^7011722228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7011722228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7755027840).

7011722228 is an abundant number, since it is smaller than the sum of its proper divisors (8498333452).

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

7011722228 is a wasteful number, since it uses less digits than its factorization.

7011722228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60805 (or 60796 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 7011722228 is about 83736.0270612357. The cubic root of 7011722228 is about 1913.9983880153.

The spelling of 7011722228 in words is "seven billion, eleven million, seven hundred twenty-two thousand, two hundred twenty-eight".