6220661147 has 2 divisors, whose sum is σ = 6220661148. Its totient is φ = 6220661146.

The previous prime is 6220661143. The next prime is 6220661191. The reversal of 6220661147 is 7411660226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6220661147 - 2² = 6220661143 is a prime.

It is not a weakly prime, because it can be changed into another prime (6220661143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110330573 + 3110330574.

It is an arithmetic number, because the mean of its divisors is an integer number (3110330574).

Almost surely, 2^6220661147 is an apocalyptic number.

6220661147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220661147 is an equidigital number, since it uses as much as digits as its factorization.

6220661147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 6220661147 is about 78871.1680336991. The cubic root of 6220661147 is about 1839.1289539540.

The spelling of 6220661147 in words is "six billion, two hundred twenty million, six hundred sixty-one thousand, one hundred forty-seven".