6225666665227 has 4 divisors (see below), whose sum is σ = 6273190838376. Its totient is φ = 6178142492080.

The previous prime is 6225666665167. The next prime is 6225666665237. The reversal of 6225666665227 is 7225666665226.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6225666665227 - 2²³ = 6225658276619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6225666665237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23762086378 + ... + 23762086639.

It is an arithmetic number, because the mean of its divisors is an integer number (1568297709594).

Almost surely, 2^{6225666665227} is an apocalyptic number.

6225666665227 is a deficient number, since it is larger than the sum of its proper divisors (47524173149).

6225666665227 is a wasteful number, since it uses less digits than its factorization.

6225666665227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47524173148.

The product of its digits is 130636800, while the sum is 61.

Subtracting 6225666665227 from its reverse (7225666665226), we obtain a palindrome (999999999999).

The spelling of 6225666665227 in words is "six trillion, two hundred twenty-five billion, six hundred sixty-six million, six hundred sixty-five thousand, two hundred twenty-seven".