225391223 has 8 divisors (see below), whose sum is σ = 229407696. Its totient is φ = 221400000.

The previous prime is 225391217. The next prime is 225391247. The reversal of 225391223 is 322193522.

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

It is a cyclic number.

It is not a de Polignac number, because 225391223 - 2⁸ = 225390967 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 (225391723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12173 + ... + 24473.

It is an arithmetic number, because the mean of its divisors is an integer number (28675962).

Almost surely, 2^225391223 is an apocalyptic number.

225391223 is a deficient number, since it is larger than the sum of its proper divisors (4016473).

225391223 is a wasteful number, since it uses less digits than its factorization.

225391223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12625.

The product of its digits is 6480, while the sum is 29.

The square root of 225391223 is about 15013.0351028698. The cubic root of 225391223 is about 608.5725135588.

The spelling of 225391223 in words is "two hundred twenty-five million, three hundred ninety-one thousand, two hundred twenty-three".