225219 has 8 divisors (see below), whose sum is σ = 308560. Its totient is φ = 146016.

The previous prime is 225217. The next prime is 225221. The reversal of 225219 is 912522.

It is an interprime number because it is at equal distance from previous prime (225217) and next prime (225221).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225219 - 2¹ = 225217 is a prime.

It is a super-2 number, since 2×225219² = 101447195922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225195 and 225204.

It is not an unprimeable number, because it can be changed into a prime (225217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (38570).

2²²⁵²¹⁹ is an apocalyptic number.

225219 is a deficient number, since it is larger than the sum of its proper divisors (83341).

225219 is a wasteful number, since it uses less digits than its factorization.

225219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069.

The product of its digits is 360, while the sum is 21.

The square root of 225219 is about 474.5724391492. The cubic root of 225219 is about 60.8417469233.

It can be divided in two parts, 225 and 219, that added together give a palindrome (444).

The spelling of 225219 in words is "two hundred twenty-five thousand, two hundred nineteen".