223423225 has 12 divisors (see below), whose sum is σ = 281181904. Its totient is φ = 176069520.

The previous prime is 223423217. The next prime is 223423243. The reversal of 223423225 is 522324322.

It is a happy number.

It is not a de Polignac number, because 223423225 - 2³ = 223423217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223423225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65019 + ... + 68368.

Almost surely, 2^223423225 is an apocalyptic number.

223423225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223423225 is a deficient number, since it is larger than the sum of its proper divisors (57758679).

223423225 is a wasteful number, since it uses less digits than its factorization.

223423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133464 (or 133459 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 223423225 is about 14947.3484270622. The cubic root of 223423225 is about 606.7960878267.

Adding to 223423225 its reverse (522324322), we get a palindrome (745747547).

The spelling of 223423225 in words is "two hundred twenty-three million, four hundred twenty-three thousand, two hundred twenty-five".