2205666667 has 2 divisors, whose sum is σ = 2205666668. Its totient is φ = 2205666666.

The previous prime is 2205666653. The next prime is 2205666689. The reversal of 2205666667 is 7666665022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205666667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205666637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102833333 + 1102833334.

It is an arithmetic number, because the mean of its divisors is an integer number (1102833334).

Almost surely, 2^2205666667 is an apocalyptic number.

2205666667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205666667 is an equidigital number, since it uses as much as digits as its factorization.

2205666667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 2205666667 is about 46964.5256230700. The cubic root of 2205666667 is about 1301.7071589541.

The spelling of 2205666667 in words is "two billion, two hundred five million, six hundred sixty-six thousand, six hundred sixty-seven".