225188833 has 2 divisors, whose sum is σ = 225188834. Its totient is φ = 225188832.

The previous prime is 225188827. The next prime is 225188903. The reversal of 225188833 is 338881522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149010849 + 76177984 = 12207^2 + 8728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225188833 is a prime.

It is not a weakly prime, because it can be changed into another prime (225188813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112594416 + 112594417.

It is an arithmetic number, because the mean of its divisors is an integer number (112594417).

Almost surely, 2^225188833 is an apocalyptic number.

It is an amenable number.

225188833 is a deficient number, since it is larger than the sum of its proper divisors (1).

225188833 is an equidigital number, since it uses as much as digits as its factorization.

225188833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 40.

The square root of 225188833 is about 15006.2931132242. The cubic root of 225188833 is about 608.3903031570.

The spelling of 225188833 in words is "two hundred twenty-five million, one hundred eighty-eight thousand, eight hundred thirty-three".