225315418 has 8 divisors (see below), whose sum is σ = 346216500. Its totient is φ = 109909920.

The previous prime is 225315407. The next prime is 225315437. The reversal of 225315418 is 814513522.

225315418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217061289 + 8254129 = 14733^2 + 2873^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 225315418.

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, 1373793 + ... + 1373956.

Almost surely, 2^225315418 is an apocalyptic number.

225315418 is a deficient number, since it is larger than the sum of its proper divisors (120901082).

225315418 is a wasteful number, since it uses less digits than its factorization.

225315418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747792.

The product of its digits is 9600, while the sum is 31.

The square root of 225315418 is about 15010.5102511540. The cubic root of 225315418 is about 608.5042795912.

It can be divided in two parts, 2253 and 15418, that added together give a palindrome (17671).

The spelling of 225315418 in words is "two hundred twenty-five million, three hundred fifteen thousand, four hundred eighteen".