6226561321 has 8 divisors (see below), whose sum is σ = 6593615784. Its totient is φ = 5859594240.

The previous prime is 6226561279. The next prime is 6226561331. The reversal of 6226561321 is 1231656226.

It can be written as a sum of positive squares in 4 ways, for example, as 1439443600 + 4787117721 = 37940^2 + 69189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6226561321 - 2¹⁹ = 6226037033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6226561331) 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, 176281 + ... + 208633.

It is an arithmetic number, because the mean of its divisors is an integer number (824201973).

Almost surely, 2^6226561321 is an apocalyptic number.

It is an amenable number.

6226561321 is a deficient number, since it is larger than the sum of its proper divisors (367054463).

6226561321 is a wasteful number, since it uses less digits than its factorization.

6226561321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43691.

The product of its digits is 25920, while the sum is 34.

The square root of 6226561321 is about 78908.5630397614. The cubic root of 6226561321 is about 1839.7102293563.

The spelling of 6226561321 in words is "six billion, two hundred twenty-six million, five hundred sixty-one thousand, three hundred twenty-one".