225308867 has 4 divisors (see below), whose sum is σ = 257495856. Its totient is φ = 193121880.

The previous prime is 225308857. The next prime is 225308887. The reversal of 225308867 is 768803522.

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

It is not a de Polignac number, because 225308867 - 2¹² = 225304771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225308827) 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, 16093484 + ... + 16093497.

It is an arithmetic number, because the mean of its divisors is an integer number (64373964).

Almost surely, 2^225308867 is an apocalyptic number.

225308867 is a deficient number, since it is larger than the sum of its proper divisors (32186989).

225308867 is an equidigital number, since it uses as much as digits as its factorization.

225308867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32186988.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 225308867 is about 15010.2920358000. The cubic root of 225308867 is about 608.4983821546.

The spelling of 225308867 in words is "two hundred twenty-five million, three hundred eight thousand, eight hundred sixty-seven".