2222644273 has 2 divisors, whose sum is σ = 2222644274. Its totient is φ = 2222644272.

The previous prime is 2222644267. The next prime is 2222644289. The reversal of 2222644273 is 3724462222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1894599729 + 328044544 = 43527^2 + 18112^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222644273 - 2²⁵ = 2189089841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222648273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111322136 + 1111322137.

It is an arithmetic number, because the mean of its divisors is an integer number (1111322137).

Almost surely, 2^2222644273 is an apocalyptic number.

It is an amenable number.

2222644273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222644273 is an equidigital number, since it uses as much as digits as its factorization.

2222644273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 34.

The square root of 2222644273 is about 47144.9283910794. The cubic root of 2222644273 is about 1305.0384888067.

The spelling of 2222644273 in words is "two billion, two hundred twenty-two million, six hundred forty-four thousand, two hundred seventy-three".