225792169 has 2 divisors, whose sum is σ = 225792170. Its totient is φ = 225792168.

The previous prime is 225792071. The next prime is 225792209. The reversal of 225792169 is 961297522.

225792169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125552025 + 100240144 = 11205^2 + 10012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225792169 is a prime.

It is a super-2 number, since 2×225792169² = 101964207163449122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225795169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112896084 + 112896085.

It is an arithmetic number, because the mean of its divisors is an integer number (112896085).

Almost surely, 2^225792169 is an apocalyptic number.

It is an amenable number.

225792169 is a deficient number, since it is larger than the sum of its proper divisors (1).

225792169 is an equidigital number, since it uses as much as digits as its factorization.

225792169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 225792169 is about 15026.3824322423. The cubic root of 225792169 is about 608.9331608056.

The spelling of 225792169 in words is "two hundred twenty-five million, seven hundred ninety-two thousand, one hundred sixty-nine".