423225 has 60 divisors (see below), whose sum is σ = 900240. Its totient is φ = 194400.

The previous prime is 423221. The next prime is 423229. The reversal of 423225 is 522324.

It is an interprime number because it is at equal distance from previous prime (423221) and next prime (423229).

It is not a de Polignac number, because 423225 - 2² = 423221 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 423198 and 423207.

It is not an unprimeable number, because it can be changed into a prime (423221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 22266 + ... + 22284.

It is an arithmetic number, because the mean of its divisors is an integer number (15004).

2⁴²³²²⁵ is an apocalyptic number.

423225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423225 is an abundant number, since it is smaller than the sum of its proper divisors (477015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423225 is a wasteful number, since it uses less digits than its factorization.

423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 38 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 423225 is about 650.5574532660. The cubic root of 423225 is about 75.0799148180.

Adding to 423225 its reverse (522324), we get a palindrome (945549).

Subtracting 423225 from its reverse (522324), we obtain a palindrome (99099).

The spelling of 423225 in words is "four hundred twenty-three thousand, two hundred twenty-five".