225617207 has 4 divisors (see below), whose sum is σ = 228984696. Its totient is φ = 222249720.

The previous prime is 225617201. The next prime is 225617233. The reversal of 225617207 is 702716522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225617207 - 2¹⁶ = 225551671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225617201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683644 + ... + 1683777.

It is an arithmetic number, because the mean of its divisors is an integer number (57246174).

Almost surely, 2^225617207 is an apocalyptic number.

225617207 is a deficient number, since it is larger than the sum of its proper divisors (3367489).

225617207 is an equidigital number, since it uses as much as digits as its factorization.

225617207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367488.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 225617207 is about 15020.5594769303. The cubic root of 225617207 is about 608.7758366394.

The spelling of 225617207 in words is "two hundred twenty-five million, six hundred seventeen thousand, two hundred seven".