225328219 has 4 divisors (see below), whose sum is σ = 225450144. Its totient is φ = 225206296.

The previous prime is 225328177. The next prime is 225328237. The reversal of 225328219 is 912823522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225328219 is a prime.

It is a super-2 number, since 2×225328219² = 101545612555423922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225328819) 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, 58147 + ... + 61900.

It is an arithmetic number, because the mean of its divisors is an integer number (56362536).

Almost surely, 2^225328219 is an apocalyptic number.

225328219 is a deficient number, since it is larger than the sum of its proper divisors (121925).

225328219 is a wasteful number, since it uses less digits than its factorization.

225328219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121924.

The product of its digits is 17280, while the sum is 34.

The square root of 225328219 is about 15010.9366463256. The cubic root of 225328219 is about 608.5158031638.

The spelling of 225328219 in words is "two hundred twenty-five million, three hundred twenty-eight thousand, two hundred nineteen".