225494423 has 12 divisors (see below), whose sum is σ = 286156872. Its totient is φ = 175709520.

The previous prime is 225494419. The next prime is 225494431. The reversal of 225494423 is 324494522.

It is not a de Polignac number, because 225494423 - 2² = 225494419 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 (225494023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208640 + ... + 209717.

It is an arithmetic number, because the mean of its divisors is an integer number (23846406).

Almost surely, 2^225494423 is an apocalyptic number.

225494423 is a deficient number, since it is larger than the sum of its proper divisors (60662449).

225494423 is a wasteful number, since it uses less digits than its factorization.

225494423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418382 (or 418375 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 225494423 is about 15016.4717227450. The cubic root of 225494423 is about 608.6653818606.

Subtracting 225494423 from its reverse (324494522), we obtain a palindrome (99000099).

The spelling of 225494423 in words is "two hundred twenty-five million, four hundred ninety-four thousand, four hundred twenty-three".