225831107 has 2 divisors, whose sum is σ = 225831108. Its totient is φ = 225831106.

The previous prime is 225831083. The next prime is 225831119. The reversal of 225831107 is 701138522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225831107 - 2⁸ = 225830851 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 225831107.

It is not a weakly prime, because it can be changed into another prime (225831127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112915553 + 112915554.

It is an arithmetic number, because the mean of its divisors is an integer number (112915554).

Almost surely, 2^225831107 is an apocalyptic number.

225831107 is a deficient number, since it is larger than the sum of its proper divisors (1).

225831107 is an equidigital number, since it uses as much as digits as its factorization.

225831107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 225831107 is about 15027.6780308869. The cubic root of 225831107 is about 608.9681624278.

Adding to 225831107 its reverse (701138522), we get a palindrome (926969629).

The spelling of 225831107 in words is "two hundred twenty-five million, eight hundred thirty-one thousand, one hundred seven".