6620822226427 has 4 divisors (see below), whose sum is σ = 6620947975800. Its totient is φ = 6620696477056.

The previous prime is 6620822226409. The next prime is 6620822226451. The reversal of 6620822226427 is 7246222280266.

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 6620822226427 - 2²⁷ = 6620688008699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6620822226527) 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, 62795677 + ... + 62901022.

It is an arithmetic number, because the mean of its divisors is an integer number (1655236993950).

Almost surely, 2^{6620822226427} is an apocalyptic number.

6620822226427 is a deficient number, since it is larger than the sum of its proper divisors (125749373).

6620822226427 is a wasteful number, since it uses less digits than its factorization.

6620822226427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125749372.

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 6620822226427 in words is "six trillion, six hundred twenty billion, eight hundred twenty-two million, two hundred twenty-six thousand, four hundred twenty-seven".