225476417 has 2 divisors, whose sum is σ = 225476418. Its totient is φ = 225476416.

The previous prime is 225476369. The next prime is 225476441. The reversal of 225476417 is 714674522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201895681 + 23580736 = 14209^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 225476417 - 2⁸ = 225476161 is a prime.

It is a super-2 number, since 2×225476417² = 101679229246315778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225476497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112738208 + 112738209.

It is an arithmetic number, because the mean of its divisors is an integer number (112738209).

Almost surely, 2^225476417 is an apocalyptic number.

It is an amenable number.

225476417 is a deficient number, since it is larger than the sum of its proper divisors (1).

225476417 is an equidigital number, since it uses as much as digits as its factorization.

225476417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 225476417 is about 15015.8721691416. The cubic root of 225476417 is about 608.6491805426.

The spelling of 225476417 in words is "two hundred twenty-five million, four hundred seventy-six thousand, four hundred seventeen".