222775117 has 2 divisors, whose sum is σ = 222775118. Its totient is φ = 222775116.

The previous prime is 222775109. The next prime is 222775141. The reversal of 222775117 is 711577222.

222775117 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170198116 + 52577001 = 13046^2 + 7251^2 .

It is a cyclic number.

It is not a de Polignac number, because 222775117 - 2³ = 222775109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222778117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111387558 + 111387559.

It is an arithmetic number, because the mean of its divisors is an integer number (111387559).

Almost surely, 2^222775117 is an apocalyptic number.

It is an amenable number.

222775117 is a deficient number, since it is larger than the sum of its proper divisors (1).

222775117 is an equidigital number, since it uses as much as digits as its factorization.

222775117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13720, while the sum is 34.

The square root of 222775117 is about 14925.6529840406. The cubic root of 222775117 is about 606.2087864852.

The spelling of 222775117 in words is "two hundred twenty-two million, seven hundred seventy-five thousand, one hundred seventeen".