220000000225 has 12 divisors (see below), whose sum is σ = 279144187696. Its totient is φ = 171906976080.

The previous prime is 220000000219. The next prime is 220000000237. The reversal of 220000000225 is 522000000022.

It is not a de Polignac number, because 220000000225 - 2¹⁵ = 219999967457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 102324507 + ... + 102326656.

Almost surely, 2^220000000225 is an apocalyptic number.

220000000225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220000000225 is a deficient number, since it is larger than the sum of its proper divisors (59144187471).

220000000225 is a wasteful number, since it uses less digits than its factorization.

220000000225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204651216 (or 204651211 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

Adding to 220000000225 its reverse (522000000022), we get a palindrome (742000000247).

The spelling of 220000000225 in words is "two hundred twenty billion, two hundred twenty-five", and thus it is an aban number.