222222773 has 2 divisors, whose sum is σ = 222222774. Its totient is φ = 222222772.

The previous prime is 222222751. The next prime is 222222779. The reversal of 222222773 is 377222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216472369 + 5750404 = 14713^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222773 - 2¹⁶ = 222157237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111386 + 111111387.

It is an arithmetic number, because the mean of its divisors is an integer number (111111387).

Almost surely, 2^222222773 is an apocalyptic number.

It is an amenable number.

222222773 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222773 is an equidigital number, since it uses as much as digits as its factorization.

222222773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 29.

The square root of 222222773 is about 14907.1383236354. The cubic root of 222222773 is about 605.7073646918.

Adding to 222222773 its reverse (377222222), we get a palindrome (599444995).

The spelling of 222222773 in words is "two hundred twenty-two million, two hundred twenty-two thousand, seven hundred seventy-three".