2215211 has 2 divisors, whose sum is σ = 2215212. Its totient is φ = 2215210.

The previous prime is 2215201. The next prime is 2215217. The reversal of 2215211 is 1125122.

2215211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2215211 - 2¹⁴ = 2198827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107605 + 1107606.

It is an arithmetic number, because the mean of its divisors is an integer number (1107606).

2^2215211 is an apocalyptic number.

2215211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215211 is an equidigital number, since it uses as much as digits as its factorization.

2215211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40, while the sum is 14.

The square root of 2215211 is about 1488.3584917620. The cubic root of 2215211 is about 130.3582034174.

The spelling of 2215211 in words is "two million, two hundred fifteen thousand, two hundred eleven".