6221366471 has 8 divisors (see below), whose sum is σ = 6424233600. Its totient is φ = 6018635520.

The previous prime is 6221366447. The next prime is 6221366519. The reversal of 6221366471 is 1746631226.

It is a happy number.

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 6221366471 - 2¹⁴ = 6221350087 is a prime.

It is a super-3 number, since 3×6221366471³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221366401) 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, 63275 + ... + 128243.

It is an arithmetic number, because the mean of its divisors is an integer number (803029200).

Almost surely, 2^6221366471 is an apocalyptic number.

6221366471 is a deficient number, since it is larger than the sum of its proper divisors (202867129).

6221366471 is a wasteful number, since it uses less digits than its factorization.

6221366471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68089.

The product of its digits is 72576, while the sum is 38.

The square root of 6221366471 is about 78875.6392747469. The cubic root of 6221366471 is about 1839.1984606477.

Adding to 6221366471 its reverse (1746631226), we get a palindrome (7967997697).

The spelling of 6221366471 in words is "six billion, two hundred twenty-one million, three hundred sixty-six thousand, four hundred seventy-one".