6220245561 has 8 divisors (see below), whose sum is σ = 8294131104. Its totient is φ = 4146595200.

The previous prime is 6220245553. The next prime is 6220245599. The reversal of 6220245561 is 1655420226.

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

It is not a de Polignac number, because 6220245561 - 2³ = 6220245553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6220245541) 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, 16810 + ... + 112796.

It is an arithmetic number, because the mean of its divisors is an integer number (1036766388).

Almost surely, 2^6220245561 is an apocalyptic number.

It is an amenable number.

6220245561 is a deficient number, since it is larger than the sum of its proper divisors (2073885543).

6220245561 is a wasteful number, since it uses less digits than its factorization.

6220245561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117591.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 6220245561 is about 78868.5334021116. The cubic root of 6220245561 is about 1839.0879972535.

Adding to 6220245561 its reverse (1655420226), we get a palindrome (7875665787).

The spelling of 6220245561 in words is "six billion, two hundred twenty million, two hundred forty-five thousand, five hundred sixty-one".