225411 has 8 divisors (see below), whose sum is σ = 302784. Its totient is φ = 149160.

The previous prime is 225383. The next prime is 225427. The reversal of 225411 is 114522.

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

It is not a de Polignac number, because 225411 - 2⁶ = 225347 is a prime.

It is an Ulam number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (225431) 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, 516 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (37848).

2²²⁵⁴¹¹ is an apocalyptic number.

225411 is a deficient number, since it is larger than the sum of its proper divisors (77373).

225411 is a wasteful number, since it uses less digits than its factorization.

225411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 80, while the sum is 15.

The square root of 225411 is about 474.7746834026. The cubic root of 225411 is about 60.8590312812.

Adding to 225411 its reverse (114522), we get a palindrome (339933).

Subtracting from 225411 its reverse (114522), we obtain a square (110889 = 333²).

It can be divided in two parts, 225 and 411, that added together give a palindrome (636).

The spelling of 225411 in words is "two hundred twenty-five thousand, four hundred eleven".