225004019 has 2 divisors, whose sum is σ = 225004020. Its totient is φ = 225004018.

The previous prime is 225004007. The next prime is 225004033. The reversal of 225004019 is 910400522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225004019 is a prime.

It is a super-2 number, since 2×225004019² = 101253617132304722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225003985 and 225004003.

It is not a weakly prime, because it can be changed into another prime (225004519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112502009 + 112502010.

It is an arithmetic number, because the mean of its divisors is an integer number (112502010).

Almost surely, 2^225004019 is an apocalyptic number.

225004019 is a deficient number, since it is larger than the sum of its proper divisors (1).

225004019 is an equidigital number, since it uses as much as digits as its factorization.

225004019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 225004019 is about 15000.1339660684. The cubic root of 225004019 is about 608.2238209239.

The spelling of 225004019 in words is "two hundred twenty-five million, four thousand, nineteen".