225692371 has 2 divisors, whose sum is σ = 225692372. Its totient is φ = 225692370.

The previous prime is 225692359. The next prime is 225692377. The reversal of 225692371 is 173296522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225692371 - 2⁹ = 225691859 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225692371.

It is not a weakly prime, because it can be changed into another prime (225692377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112846185 + 112846186.

It is an arithmetic number, because the mean of its divisors is an integer number (112846186).

Almost surely, 2^225692371 is an apocalyptic number.

225692371 is a deficient number, since it is larger than the sum of its proper divisors (1).

225692371 is an equidigital number, since it uses as much as digits as its factorization.

225692371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 225692371 is about 15023.0613058724. The cubic root of 225692371 is about 608.8434333550.

The spelling of 225692371 in words is "two hundred twenty-five million, six hundred ninety-two thousand, three hundred seventy-one".