2272745773 has 2 divisors, whose sum is σ = 2272745774. Its totient is φ = 2272745772.

The previous prime is 2272745731. The next prime is 2272745821. The reversal of 2272745773 is 3775472722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1277848009 + 994897764 = 35747^2 + 31542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272745773 - 2¹³ = 2272737581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272745473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136372886 + 1136372887.

It is an arithmetic number, because the mean of its divisors is an integer number (1136372887).

Almost surely, 2^2272745773 is an apocalyptic number.

It is an amenable number.

2272745773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272745773 is an equidigital number, since it uses as much as digits as its factorization.

2272745773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152480, while the sum is 46.

The square root of 2272745773 is about 47673.3234943821. The cubic root of 2272745773 is about 1314.7715146113.

The spelling of 2272745773 in words is "two billion, two hundred seventy-two million, seven hundred forty-five thousand, seven hundred seventy-three".