225226117 has 2 divisors, whose sum is σ = 225226118. Its totient is φ = 225226116.

The previous prime is 225226087. The next prime is 225226123. The reversal of 225226117 is 711622522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223771681 + 1454436 = 14959^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 225226117 - 2⁷ = 225225989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225224117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112613058 + 112613059.

It is an arithmetic number, because the mean of its divisors is an integer number (112613059).

Almost surely, 2^225226117 is an apocalyptic number.

It is an amenable number.

225226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

225226117 is an equidigital number, since it uses as much as digits as its factorization.

225226117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 225226117 is about 15007.5353406214. The cubic root of 225226117 is about 608.4238779011.

Adding to 225226117 its reverse (711622522), we get a palindrome (936848639).

The spelling of 225226117 in words is "two hundred twenty-five million, two hundred twenty-six thousand, one hundred seventeen".