2220645211 has 2 divisors, whose sum is σ = 2220645212. Its totient is φ = 2220645210.

The previous prime is 2220645199. The next prime is 2220645233. The reversal of 2220645211 is 1125460222.

2220645211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220645211 - 2¹⁹ = 2220120923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220645611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110322605 + 1110322606.

It is an arithmetic number, because the mean of its divisors is an integer number (1110322606).

Almost surely, 2^2220645211 is an apocalyptic number.

2220645211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220645211 is an equidigital number, since it uses as much as digits as its factorization.

2220645211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2220645211 is about 47123.7223805590. The cubic root of 2220645211 is about 1304.6471178296.

The spelling of 2220645211 in words is "two billion, two hundred twenty million, six hundred forty-five thousand, two hundred eleven".