229772252273 has 2 divisors, whose sum is σ = 229772252274. Its totient is φ = 229772252272.

The previous prime is 229772252261. The next prime is 229772252279. The reversal of 229772252273 is 372252277922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162995490529 + 66776761744 = 403727^2 + 258412^2 .

It is a cyclic number.

It is not a de Polignac number, because 229772252273 - 2⁴ = 229772252257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (229772252279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114886126136 + 114886126137.

It is an arithmetic number, because the mean of its divisors is an integer number (114886126137).

Almost surely, 2^229772252273 is an apocalyptic number.

It is an amenable number.

229772252273 is a deficient number, since it is larger than the sum of its proper divisors (1).

229772252273 is an equidigital number, since it uses as much as digits as its factorization.

229772252273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 50.

The spelling of 229772252273 in words is "two hundred twenty-nine billion, seven hundred seventy-two million, two hundred fifty-two thousand, two hundred seventy-three".