225492937 has 2 divisors, whose sum is σ = 225492938. Its totient is φ = 225492936.

The previous prime is 225492857. The next prime is 225492959. The reversal of 225492937 is 739294522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132158016 + 93334921 = 11496^2 + 9661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225492937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225492893 and 225492902.

It is not a weakly prime, because it can be changed into another prime (225492997) 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, 112746468 + 112746469.

It is an arithmetic number, because the mean of its divisors is an integer number (112746469).

Almost surely, 2^225492937 is an apocalyptic number.

It is an amenable number.

225492937 is a deficient number, since it is larger than the sum of its proper divisors (1).

225492937 is an equidigital number, since it uses as much as digits as its factorization.

225492937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 225492937 is about 15016.4222436638. The cubic root of 225492937 is about 608.6640448302.

The spelling of 225492937 in words is "two hundred twenty-five million, four hundred ninety-two thousand, nine hundred thirty-seven".