220559045 has 12 divisors (see below), whose sum is σ = 307882764. Its totient is φ = 151240320.

The previous prime is 220559039. The next prime is 220559047. The reversal of 220559045 is 540955022.

It can be written as a sum of positive squares in 2 ways, for example, as 150234049 + 70324996 = 12257^2 + 8386^2 .

It is not a de Polignac number, because 220559045 - 2¹⁴ = 220542661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220559047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449876 + ... + 450365.

It is an arithmetic number, because the mean of its divisors is an integer number (25656897).

Almost surely, 2^220559045 is an apocalyptic number.

It is an amenable number.

220559045 is a deficient number, since it is larger than the sum of its proper divisors (87323719).

220559045 is an equidigital number, since it uses as much as digits as its factorization.

220559045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900260 (or 900253 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 220559045 is about 14851.2304204062. The cubic root of 220559045 is about 604.1919819013.

The spelling of 220559045 in words is "two hundred twenty million, five hundred fifty-nine thousand, forty-five".