225272323 has 2 divisors, whose sum is σ = 225272324. Its totient is φ = 225272322.

The previous prime is 225272309. The next prime is 225272347. The reversal of 225272323 is 323272522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225272323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225272291 and 225272300.

It is not a weakly prime, because it can be changed into another prime (225272353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112636161 + 112636162.

It is an arithmetic number, because the mean of its divisors is an integer number (112636162).

Almost surely, 2^225272323 is an apocalyptic number.

225272323 is a deficient number, since it is larger than the sum of its proper divisors (1).

225272323 is an equidigital number, since it uses as much as digits as its factorization.

225272323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 28.

The square root of 225272323 is about 15009.0746883344. The cubic root of 225272323 is about 608.4654818853.

The spelling of 225272323 in words is "two hundred twenty-five million, two hundred seventy-two thousand, three hundred twenty-three".