225002117 has 2 divisors, whose sum is σ = 225002118. Its totient is φ = 225002116.

The previous prime is 225002111. The next prime is 225002131. The reversal of 225002117 is 711200522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213919876 + 11082241 = 14626^2 + 3329^2 .

It is a cyclic number.

It is not a de Polignac number, because 225002117 - 2¹⁰ = 225001093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225002111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112501058 + 112501059.

It is an arithmetic number, because the mean of its divisors is an integer number (112501059).

Almost surely, 2^225002117 is an apocalyptic number.

It is an amenable number.

225002117 is a deficient number, since it is larger than the sum of its proper divisors (1).

225002117 is an equidigital number, since it uses as much as digits as its factorization.

225002117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 225002117 is about 15000.0705665007. The cubic root of 225002117 is about 608.2221071101. Note that the first 3 decimals are identical.

Adding to 225002117 its reverse (711200522), we get a palindrome (936202639).

The spelling of 225002117 in words is "two hundred twenty-five million, two thousand, one hundred seventeen".