5072221720 has 16 divisors (see below), whose sum is σ = 11412498960. Its totient is φ = 2028888672.

The previous prime is 5072221709. The next prime is 5072221729. The reversal of 5072221720 is 271222705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5072221729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63402732 + ... + 63402811.

It is an arithmetic number, because the mean of its divisors is an integer number (713281185).

Almost surely, 2^5072221720 is an apocalyptic number.

It is an amenable number.

5072221720 is an abundant number, since it is smaller than the sum of its proper divisors (6340277240).

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

5072221720 is a wasteful number, since it uses less digits than its factorization.

5072221720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126805554 (or 126805550 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 5072221720 is about 71219.5318715309. The cubic root of 5072221720 is about 1718.1697811512.

The spelling of 5072221720 in words is "five billion, seventy-two million, two hundred twenty-one thousand, seven hundred twenty".