2222287217 has 2 divisors, whose sum is σ = 2222287218. Its totient is φ = 2222287216.

The previous prime is 2222287201. The next prime is 2222287241. The reversal of 2222287217 is 7127822222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1708086241 + 514200976 = 41329^2 + 22676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222287217 - 2⁴ = 2222287201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222287517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111143608 + 1111143609.

It is an arithmetic number, because the mean of its divisors is an integer number (1111143609).

Almost surely, 2^2222287217 is an apocalyptic number.

It is an amenable number.

2222287217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222287217 is an equidigital number, since it uses as much as digits as its factorization.

2222287217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25088, while the sum is 35.

The square root of 2222287217 is about 47141.1414477842. The cubic root of 2222287217 is about 1304.9686025632.

The spelling of 2222287217 in words is "two billion, two hundred twenty-two million, two hundred eighty-seven thousand, two hundred seventeen".