225472417 has 2 divisors, whose sum is σ = 225472418. Its totient is φ = 225472416.

The previous prime is 225472397. The next prime is 225472421. The reversal of 225472417 is 714274522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192765456 + 32706961 = 13884^2 + 5719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225472417 is a prime.

It is not a weakly prime, because it can be changed into another prime (225472447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112736208 + 112736209.

It is an arithmetic number, because the mean of its divisors is an integer number (112736209).

Almost surely, 2^225472417 is an apocalyptic number.

It is an amenable number.

225472417 is a deficient number, since it is larger than the sum of its proper divisors (1).

225472417 is an equidigital number, since it uses as much as digits as its factorization.

225472417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 34.

The square root of 225472417 is about 15015.7389761543. The cubic root of 225472417 is about 608.6455813323.

It can be divided in two parts, 22547 and 2417, that added together give a square (24964 = 158²).

The spelling of 225472417 in words is "two hundred twenty-five million, four hundred seventy-two thousand, four hundred seventeen".