220589 has 2 divisors, whose sum is σ = 220590. Its totient is φ = 220588.

The previous prime is 220579. The next prime is 220613. The reversal of 220589 is 985022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218089 + 2500 = 467^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 220589 - 2⁴ = 220573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220589.

It is not a weakly prime, because it can be changed into another prime (220529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110294 + 110295.

It is an arithmetic number, because the mean of its divisors is an integer number (110295).

2²²⁰⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

220589 is a deficient number, since it is larger than the sum of its proper divisors (1).

220589 is an equidigital number, since it uses as much as digits as its factorization.

220589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 220589 is about 469.6690324047. The cubic root of 220589 is about 60.4219333234.

The spelling of 220589 in words is "two hundred twenty thousand, five hundred eighty-nine".