225188827 has 2 divisors, whose sum is σ = 225188828. Its totient is φ = 225188826.

The previous prime is 225188813. The next prime is 225188833. The reversal of 225188827 is 728881522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225188827 - 2¹⁵ = 225156059 is a prime.

It is not a weakly prime, because it can be changed into another prime (225185827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112594413 + 112594414.

It is an arithmetic number, because the mean of its divisors is an integer number (112594414).

Almost surely, 2^225188827 is an apocalyptic number.

225188827 is a deficient number, since it is larger than the sum of its proper divisors (1).

225188827 is an equidigital number, since it uses as much as digits as its factorization.

225188827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143360, while the sum is 43.

The square root of 225188827 is about 15006.2929133081. The cubic root of 225188827 is about 608.3902977536.

The spelling of 225188827 in words is "two hundred twenty-five million, one hundred eighty-eight thousand, eight hundred twenty-seven".