225316933 has 2 divisors, whose sum is σ = 225316934. Its totient is φ = 225316932.

The previous prime is 225316907. The next prime is 225316937. The reversal of 225316933 is 339613522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190246849 + 35070084 = 13793^2 + 5922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225316933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225316937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112658466 + 112658467.

It is an arithmetic number, because the mean of its divisors is an integer number (112658467).

Almost surely, 2^225316933 is an apocalyptic number.

It is an amenable number.

225316933 is a deficient number, since it is larger than the sum of its proper divisors (1).

225316933 is an equidigital number, since it uses as much as digits as its factorization.

225316933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 225316933 is about 15010.5607157095. The cubic root of 225316933 is about 608.5056434303.

The spelling of 225316933 in words is "two hundred twenty-five million, three hundred sixteen thousand, nine hundred thirty-three".