220524225 has 24 divisors (see below), whose sum is σ = 369744192. Its totient is φ = 115953600.

The previous prime is 220524223. The next prime is 220524229. The reversal of 220524225 is 522425022.

It is a happy number.

220524225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220524225 - 2¹ = 220524223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220524195 and 220524204.

It is not an unprimeable number, because it can be changed into a prime (220524223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15382 + ... + 26031.

It is an arithmetic number, because the mean of its divisors is an integer number (15406008).

Almost surely, 2^220524225 is an apocalyptic number.

220524225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220524225 is a deficient number, since it is larger than the sum of its proper divisors (149219967).

220524225 is a wasteful number, since it uses less digits than its factorization.

220524225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41497 (or 41492 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 220524225 is about 14850.0580806945. The cubic root of 220524225 is about 604.1601853182.

Adding to 220524225 its reverse (522425022), we get a palindrome (742949247).

The spelling of 220524225 in words is "two hundred twenty million, five hundred twenty-four thousand, two hundred twenty-five".