220256325 has 18 divisors (see below), whose sum is σ = 394503954. Its totient is φ = 117469920.

The previous prime is 220256321. The next prime is 220256327. The reversal of 220256325 is 523652022.

220256325 is a `hidden beast` number, since 2 + 2 + 0 + 25 + 632 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 12723489 + 207532836 = 3567^2 + 14406^2 .

It is not a de Polignac number, because 220256325 - 2² = 220256321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220256321) 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 17 ways as a sum of consecutive naturals, for example, 489234 + ... + 489683.

Almost surely, 2^220256325 is an apocalyptic number.

220256325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220256325 is a deficient number, since it is larger than the sum of its proper divisors (174247629).

220256325 is a wasteful number, since it uses less digits than its factorization.

220256325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978933 (or 978925 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 220256325 is about 14841.0351727903. The cubic root of 220256325 is about 603.9154350344.

The spelling of 220256325 in words is "two hundred twenty million, two hundred fifty-six thousand, three hundred twenty-five".