220625565 has 16 divisors (see below), whose sum is σ = 353356800. Its totient is φ = 117548352.

The previous prime is 220625513. The next prime is 220625599. The reversal of 220625565 is 565526022.

It is not a de Polignac number, because 220625565 - 2¹¹ = 220623517 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9156 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (22084800).

Almost surely, 2^220625565 is an apocalyptic number.

It is an amenable number.

220625565 is a deficient number, since it is larger than the sum of its proper divisors (132731235).

220625565 is a wasteful number, since it uses less digits than its factorization.

220625565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 220625565 is about 14853.4697966502. The cubic root of 220625565 is about 604.2527166747.

The spelling of 220625565 in words is "two hundred twenty million, six hundred twenty-five thousand, five hundred sixty-five".