225095019 has 4 divisors (see below), whose sum is σ = 300126696. Its totient is φ = 150063344.

The previous prime is 225094979. The next prime is 225095021. The reversal of 225095019 is 910590522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225095019 - 2²³ = 216706411 is a prime.

It is a super-2 number, since 2×225095019² = 101335535157220722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225095099) 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 in 3 ways as a sum of consecutive naturals, for example, 37515834 + ... + 37515839.

It is an arithmetic number, because the mean of its divisors is an integer number (75031674).

Almost surely, 2^225095019 is an apocalyptic number.

225095019 is a deficient number, since it is larger than the sum of its proper divisors (75031677).

225095019 is an equidigital number, since it uses as much as digits as its factorization.

225095019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75031676.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 225095019 is about 15003.1669656776. The cubic root of 225095019 is about 608.3058059894.

The spelling of 225095019 in words is "two hundred twenty-five million, ninety-five thousand, nineteen".