225476369 has 2 divisors, whose sum is σ = 225476370. Its totient is φ = 225476368.

The previous prime is 225476327. The next prime is 225476417. The reversal of 225476369 is 963674522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219040000 + 6436369 = 14800^2 + 2537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225476369 is a prime.

It is a super-2 number, since 2×225476369² = 101679185954848322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225476969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112738184 + 112738185.

It is an arithmetic number, because the mean of its divisors is an integer number (112738185).

Almost surely, 2^225476369 is an apocalyptic number.

It is an amenable number.

225476369 is a deficient number, since it is larger than the sum of its proper divisors (1).

225476369 is an equidigital number, since it uses as much as digits as its factorization.

225476369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 225476369 is about 15015.8705708327. The cubic root of 225476369 is about 608.6491373523.

The spelling of 225476369 in words is "two hundred twenty-five million, four hundred seventy-six thousand, three hundred sixty-nine".