6225688720 has 40 divisors (see below), whose sum is σ = 14558427576. Its totient is φ = 2475875328.

The previous prime is 6225688699. The next prime is 6225688723. The reversal of 6225688720 is 278865226.

It can be written as a sum of positive squares in 4 ways, for example, as 2544597136 + 3681091584 = 50444^2 + 60672^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (6225688723) 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, 211077 + ... + 238756.

Almost surely, 2^6225688720 is an apocalyptic number.

It is an amenable number.

6225688720 is an abundant number, since it is smaller than the sum of its proper divisors (8332738856).

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

6225688720 is a wasteful number, since it uses less digits than its factorization.

6225688720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450019 (or 450013 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 6225688720 is about 78903.0336552404. The cubic root of 6225688720 is about 1839.6242852908.

The spelling of 6225688720 in words is "six billion, two hundred twenty-five million, six hundred eighty-eight thousand, seven hundred twenty".