5728222720 has 80 divisors (see below), whose sum is σ = 14982956208. Its totient is φ = 2082979840.

The previous prime is 5728222693. The next prime is 5728222723. The reversal of 5728222720 is 272228275.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 5728222720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728222723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73549 + ... + 129868.

Almost surely, 2^5728222720 is an apocalyptic number.

It is an amenable number.

5728222720 is an abundant number, since it is smaller than the sum of its proper divisors (9254733488).

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

5728222720 is a wasteful number, since it uses less digits than its factorization.

5728222720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203451 (or 203435 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 5728222720 is about 75685.0230891159. The cubic root of 5728222720 is about 1789.2593629755.

The spelling of 5728222720 in words is "five billion, seven hundred twenty-eight million, two hundred twenty-two thousand, seven hundred twenty".