225367817 has 2 divisors, whose sum is σ = 225367818. Its totient is φ = 225367816.

The previous prime is 225367801. The next prime is 225367843. The reversal of 225367817 is 718763522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204032656 + 21335161 = 14284^2 + 4619^2 .

It is a cyclic number.

It is not a de Polignac number, because 225367817 - 2⁴ = 225367801 is a prime.

It is not a weakly prime, because it can be changed into another prime (225367897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112683908 + 112683909.

It is an arithmetic number, because the mean of its divisors is an integer number (112683909).

Almost surely, 2^225367817 is an apocalyptic number.

It is an amenable number.

225367817 is a deficient number, since it is larger than the sum of its proper divisors (1).

225367817 is an equidigital number, since it uses as much as digits as its factorization.

225367817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 225367817 is about 15012.2555600416. The cubic root of 225367817 is about 608.5514468684.

The spelling of 225367817 in words is "two hundred twenty-five million, three hundred sixty-seven thousand, eight hundred seventeen".