220585349 has 4 divisors (see below), whose sum is σ = 221381964. Its totient is φ = 219788736.

The previous prime is 220585303. The next prime is 220585361. The reversal of 220585349 is 943585022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81180100 + 139405249 = 9010^2 + 11807^2 .

It is a cyclic number.

It is not a de Polignac number, because 220585349 - 2²⁴ = 203808133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220585549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397892 + ... + 398445.

It is an arithmetic number, because the mean of its divisors is an integer number (55345491).

Almost surely, 2^220585349 is an apocalyptic number.

It is an amenable number.

220585349 is a deficient number, since it is larger than the sum of its proper divisors (796615).

220585349 is an equidigital number, since it uses as much as digits as its factorization.

220585349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796614.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 220585349 is about 14852.1159771933. The cubic root of 220585349 is about 604.2159997090.

The spelling of 220585349 in words is "two hundred twenty million, five hundred eighty-five thousand, three hundred forty-nine".