220086225 has 54 divisors (see below), whose sum is σ = 402420486. Its totient is φ = 114979200.

The previous prime is 220086221. The next prime is 220086227. The reversal of 220086225 is 522680022.

It can be written as a sum of positive squares in 3 ways, for example, as 24561936 + 195524289 = 4956^2 + 13983^2 .

It is not a de Polignac number, because 220086225 - 2² = 220086221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220086221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 783085 + ... + 783365.

Almost surely, 2^220086225 is an apocalyptic number.

220086225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220086225 is a deficient number, since it is larger than the sum of its proper divisors (182334261).

220086225 is a wasteful number, since it uses less digits than its factorization.

220086225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 220086225 is about 14835.3033336026. The cubic root of 220086225 is about 603.7599306521.

The spelling of 220086225 in words is "two hundred twenty million, eighty-six thousand, two hundred twenty-five".