225296447 has 4 divisors (see below), whose sum is σ = 233065320. Its totient is φ = 217527576.

The previous prime is 225296443. The next prime is 225296483. The reversal of 225296447 is 744692522.

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

It is a cyclic number.

It is not a de Polignac number, because 225296447 - 2² = 225296443 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 (225296443) 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, 3884393 + ... + 3884450.

It is an arithmetic number, because the mean of its divisors is an integer number (58266330).

Almost surely, 2^225296447 is an apocalyptic number.

225296447 is a deficient number, since it is larger than the sum of its proper divisors (7768873).

225296447 is an equidigital number, since it uses as much as digits as its factorization.

225296447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7768872.

The product of its digits is 241920, while the sum is 41.

The square root of 225296447 is about 15009.8783139638. The cubic root of 225296447 is about 608.4872009276.

The spelling of 225296447 in words is "two hundred twenty-five million, two hundred ninety-six thousand, four hundred forty-seven".