2220765611 has 2 divisors, whose sum is σ = 2220765612. Its totient is φ = 2220765610.

The previous prime is 2220765571. The next prime is 2220765643. The reversal of 2220765611 is 1165670222.

It is an a-pointer prime, because the next prime (2220765643) can be obtained adding 2220765611 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220765611 - 2¹⁴ = 2220749227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2220765671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110382805 + 1110382806.

It is an arithmetic number, because the mean of its divisors is an integer number (1110382806).

Almost surely, 2^2220765611 is an apocalyptic number.

2220765611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220765611 is an equidigital number, since it uses as much as digits as its factorization.

2220765611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2220765611 is about 47124.9998514589. Note that the first 3 decimals coincide. The cubic root of 2220765611 is about 1304.6706960632.

The spelling of 2220765611 in words is "two billion, two hundred twenty million, seven hundred sixty-five thousand, six hundred eleven".