225574215 has 16 divisors (see below), whose sum is σ = 361712736. Its totient is φ = 120041600.

The previous prime is 225574211. The next prime is 225574231. The reversal of 225574215 is 512475522.

It is not a de Polignac number, because 225574215 - 2² = 225574211 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225574211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9396 + ... + 23225.

It is an arithmetic number, because the mean of its divisors is an integer number (22607046).

Almost surely, 2^225574215 is an apocalyptic number.

225574215 is a deficient number, since it is larger than the sum of its proper divisors (136138521).

225574215 is a wasteful number, since it uses less digits than its factorization.

225574215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33090.

The product of its digits is 28000, while the sum is 33.

The square root of 225574215 is about 15019.1283036000. The cubic root of 225574215 is about 608.7371661944.

The spelling of 225574215 in words is "two hundred twenty-five million, five hundred seventy-four thousand, two hundred fifteen".