2273289173 has 2 divisors, whose sum is σ = 2273289174. Its totient is φ = 2273289172.

The previous prime is 2273289169. The next prime is 2273289251. The reversal of 2273289173 is 3719823722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1702222564 + 571066609 = 41258^2 + 23897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2273289173 - 2² = 2273289169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273289773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136644586 + 1136644587.

It is an arithmetic number, because the mean of its divisors is an integer number (1136644587).

Almost surely, 2^2273289173 is an apocalyptic number.

It is an amenable number.

2273289173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273289173 is an equidigital number, since it uses as much as digits as its factorization.

2273289173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 2273289173 is about 47679.0223578462. The cubic root of 2273289173 is about 1314.8762909450.

The spelling of 2273289173 in words is "two billion, two hundred seventy-three million, two hundred eighty-nine thousand, one hundred seventy-three".