4720225 has 12 divisors (see below), whose sum is σ = 5880700. Its totient is φ = 3758400.

The previous prime is 4720223. The next prime is 4720229. The reversal of 4720225 is 5220274.

It can be written as a sum of positive squares in 6 ways, for example, as 24336 + 4695889 = 156^2 + 2167^2 .

It is not a de Polignac number, because 4720225 - 2¹ = 4720223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4720196 and 4720205.

It is not an unprimeable number, because it can be changed into a prime (4720223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8455 + ... + 8995.

Almost surely, 2^4720225 is an apocalyptic number.

It is an amenable number.

4720225 is a deficient number, since it is larger than the sum of its proper divisors (1160475).

4720225 is a wasteful number, since it uses less digits than its factorization.

4720225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4720225 is about 2172.6078799452. The cubic root of 4720225 is about 167.7467959140.

Adding to 4720225 its reverse (5220274), we get a palindrome (9940499).

The spelling of 4720225 in words is "four million, seven hundred twenty thousand, two hundred twenty-five".