225285019 has 2 divisors, whose sum is σ = 225285020. Its totient is φ = 225285018.

The previous prime is 225285007. The next prime is 225285031. The reversal of 225285019 is 910582522.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (225285007) and next prime (225285031).

It is a cyclic number.

It is not a de Polignac number, because 225285019 - 2¹³ = 225276827 is a prime.

It is a super-2 number, since 2×225285019² = 101506679571660722, which contains 22 as substring.

It is equal to p_12397606 and since 225285019 and 12397606 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (225285419) 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, 112642509 + 112642510.

It is an arithmetic number, because the mean of its divisors is an integer number (112642510).

Almost surely, 2^225285019 is an apocalyptic number.

225285019 is a deficient number, since it is larger than the sum of its proper divisors (1).

225285019 is an equidigital number, since it uses as much as digits as its factorization.

225285019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 225285019 is about 15009.4976265030. The cubic root of 225285019 is about 608.4769123953.

The spelling of 225285019 in words is "two hundred twenty-five million, two hundred eighty-five thousand, nineteen".