6224255645 has 16 divisors (see below), whose sum is σ = 8181174960. Its totient is φ = 4524893184.

The previous prime is 6224255641. The next prime is 6224255647. The reversal of 6224255645 is 5465524226.

6224255645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 787700356 + 5436555289 = 28066^2 + 73733^2 .

It is a cyclic number.

It is not a de Polignac number, because 6224255645 - 2² = 6224255641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6224255641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260062 + ... + 1264991.

It is an arithmetic number, because the mean of its divisors is an integer number (511323435).

Almost surely, 2^6224255645 is an apocalyptic number.

It is an amenable number.

6224255645 is a deficient number, since it is larger than the sum of its proper divisors (1956919315).

6224255645 is a wasteful number, since it uses less digits than its factorization.

6224255645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525104.

The product of its digits is 576000, while the sum is 41.

The square root of 6224255645 is about 78893.9518911304. The cubic root of 6224255645 is about 1839.4831216916.

The spelling of 6224255645 in words is "six billion, two hundred twenty-four million, two hundred fifty-five thousand, six hundred forty-five".