225415207 has 2 divisors, whose sum is σ = 225415208. Its totient is φ = 225415206.

The previous prime is 225415181. The next prime is 225415217. The reversal of 225415207 is 702514522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225415207 - 2⁷ = 225415079 is a prime.

It is a Chen prime.

It is equal to p_12404377 and since 225415207 and 12404377 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225415217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112707603 + 112707604.

It is an arithmetic number, because the mean of its divisors is an integer number (112707604).

Almost surely, 2^225415207 is an apocalyptic number.

225415207 is a deficient number, since it is larger than the sum of its proper divisors (1).

225415207 is an equidigital number, since it uses as much as digits as its factorization.

225415207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 225415207 is about 15013.8338541493. The cubic root of 225415207 is about 608.5940989682.

Adding to 225415207 its reverse (702514522), we get a palindrome (927929729).

The spelling of 225415207 in words is "two hundred twenty-five million, four hundred fifteen thousand, two hundred seven".