225474215 has 8 divisors (see below), whose sum is σ = 272190240. Its totient is φ = 179298592.

The previous prime is 225474169. The next prime is 225474251. The reversal of 225474215 is 512474522.

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 225474215 - 2⁸ = 225473959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134180 + ... + 135849.

It is an arithmetic number, because the mean of its divisors is an integer number (34023780).

Almost surely, 2^225474215 is an apocalyptic number.

225474215 is a deficient number, since it is larger than the sum of its proper divisors (46716025).

225474215 is a wasteful number, since it uses less digits than its factorization.

225474215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270201.

The product of its digits is 22400, while the sum is 32.

The square root of 225474215 is about 15015.7988465483. The cubic root of 225474215 is about 608.6471991826.

It can be divided in two parts, 22547 and 4215, that added together give a palindrome (26762).

The spelling of 225474215 in words is "two hundred twenty-five million, four hundred seventy-four thousand, two hundred fifteen".