220888165 has 8 divisors (see below), whose sum is σ = 265246848. Its totient is φ = 176589840.

The previous prime is 220888163. The next prime is 220888181. The reversal of 220888165 is 561888022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220888165 - 2¹ = 220888163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220888163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6601 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (33155856).

Almost surely, 2^220888165 is an apocalyptic number.

It is an amenable number.

220888165 is a deficient number, since it is larger than the sum of its proper divisors (44358683).

220888165 is a wasteful number, since it uses less digits than its factorization.

220888165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30179.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 220888165 is about 14862.3068532446. The cubic root of 220888165 is about 604.4923592714.

The spelling of 220888165 in words is "two hundred twenty million, eight hundred eighty-eight thousand, one hundred sixty-five".