220044165 has 16 divisors (see below), whose sum is σ = 384077376. Its totient is φ = 106688000.

The previous prime is 220044157. The next prime is 220044173. The reversal of 220044165 is 561440022.

It is an interprime number because it is at equal distance from previous prime (220044157) and next prime (220044173).

It is not a de Polignac number, because 220044165 - 2³ = 220044157 is a prime.

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, 666636 + ... + 666965.

It is an arithmetic number, because the mean of its divisors is an integer number (24004836).

Almost surely, 2^220044165 is an apocalyptic number.

It is an amenable number.

220044165 is a deficient number, since it is larger than the sum of its proper divisors (164033211).

220044165 is a wasteful number, since it uses less digits than its factorization.

220044165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333620.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 220044165 is about 14833.8857013259. The cubic root of 220044165 is about 603.7214673021.

Adding to 220044165 its reverse (561440022), we get a palindrome (781484187).

The spelling of 220044165 in words is "two hundred twenty million, forty-four thousand, one hundred sixty-five".