225418 has 8 divisors (see below), whose sum is σ = 346500. Its totient is φ = 109920.

The previous prime is 225383. The next prime is 225427. The reversal of 225418 is 814522.

It can be written as a sum of positive squares in 2 ways, for example, as 173889 + 51529 = 417^2 + 227^2 .

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

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293 + ... + 1456.

2²²⁵⁴¹⁸ is an apocalyptic number.

225418 is a deficient number, since it is larger than the sum of its proper divisors (121082).

225418 is a wasteful number, since it uses less digits than its factorization.

225418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792.

The product of its digits is 640, while the sum is 22.

The square root of 225418 is about 474.7820552633. The cubic root of 225418 is about 60.8596612546.

The spelling of 225418 in words is "two hundred twenty-five thousand, four hundred eighteen".