225226423 has 4 divisors (see below), whose sum is σ = 229043880. Its totient is φ = 221408968.

The previous prime is 225226411. The next prime is 225226427. The reversal of 225226423 is 324622522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225226423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225226391 and 225226400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225226427) 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, 1908640 + ... + 1908757.

It is an arithmetic number, because the mean of its divisors is an integer number (57260970).

Almost surely, 2^225226423 is an apocalyptic number.

225226423 is a deficient number, since it is larger than the sum of its proper divisors (3817457).

225226423 is an equidigital number, since it uses as much as digits as its factorization.

225226423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817456.

The product of its digits is 11520, while the sum is 28.

The square root of 225226423 is about 15007.5455354965. The cubic root of 225226423 is about 608.4241534428.

Adding to 225226423 its reverse (324622522), we get a palindrome (549848945).

The spelling of 225226423 in words is "two hundred twenty-five million, two hundred twenty-six thousand, four hundred twenty-three".