225417 has 8 divisors (see below), whose sum is σ = 311040. Its totient is φ = 145040.

The previous prime is 225383. The next prime is 225427. The reversal of 225417 is 714522.

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

It is a cyclic number.

It is not a de Polignac number, because 225417 - 2⁶ = 225353 is a prime.

It is a plaindrome in base 15.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 225393 and 225402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225417.

It is not an unprimeable number, because it can be changed into a prime (225427) 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, 1209 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2²²⁵⁴¹⁷ is an apocalyptic number.

It is an amenable number.

225417 is a deficient number, since it is larger than the sum of its proper divisors (85623).

225417 is a wasteful number, since it uses less digits than its factorization.

225417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its digits is 560, while the sum is 21.

The square root of 225417 is about 474.7810021473. The cubic root of 225417 is about 60.8595712592.

Adding to 225417 its reverse (714522), we get a palindrome (939939).

The spelling of 225417 in words is "two hundred twenty-five thousand, four hundred seventeen".