4223225 has 24 divisors (see below), whose sum is σ = 5847840. Its totient is φ = 3006720.

The previous prime is 4223207. The next prime is 4223231. The reversal of 4223225 is 5223224.

It is not a de Polignac number, because 4223225 - 2²⁰ = 3174649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4223197 and 4223206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7814 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (243660).

Almost surely, 2^4223225 is an apocalyptic number.

It is an amenable number.

4223225 is a deficient number, since it is larger than the sum of its proper divisors (1624615).

4223225 is a wasteful number, since it uses less digits than its factorization.

4223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 564 counting only the distinct ones).

The product of its digits is 960, while the sum is 20.

The square root of 4223225 is about 2055.0486612244. The cubic root of 4223225 is about 161.6397139796.

Adding to 4223225 its reverse (5223224), we get a palindrome (9446449).

Subtracting 4223225 from its reverse (5223224), we obtain a palindrome (999999).

The spelling of 4223225 in words is "four million, two hundred twenty-three thousand, two hundred twenty-five".