225201215 has 8 divisors (see below), whose sum is σ = 272917728. Its totient is φ = 178376800.

The previous prime is 225201209. The next prime is 225201241. The reversal of 225201215 is 512102522.

It is a happy number.

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

It is not a de Polignac number, because 225201215 - 2¹⁰ = 225200191 is a prime.

It is a Duffinian number.

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, 222467 + ... + 223476.

It is an arithmetic number, because the mean of its divisors is an integer number (34114716).

Almost surely, 2^225201215 is an apocalyptic number.

225201215 is a deficient number, since it is larger than the sum of its proper divisors (47716513).

225201215 is a wasteful number, since it uses less digits than its factorization.

225201215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446049.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 225201215 is about 15006.7056678006. The cubic root of 225201215 is about 608.4014537257.

Adding to 225201215 its reverse (512102522), we get a palindrome (737303737).

The spelling of 225201215 in words is "two hundred twenty-five million, two hundred one thousand, two hundred fifteen".