220529 has 2 divisors, whose sum is σ = 220530. Its totient is φ = 220528.

The previous prime is 220513. The next prime is 220537. The reversal of 220529 is 925022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142129 + 78400 = 377^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 220529 - 2⁴ = 220513 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 220529.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110264 + 110265.

It is an arithmetic number, because the mean of its divisors is an integer number (110265).

2²²⁰⁵²⁹ is an apocalyptic number.

It is an amenable number.

220529 is a deficient number, since it is larger than the sum of its proper divisors (1).

220529 is an equidigital number, since it uses as much as digits as its factorization.

220529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 220529 is about 469.6051532937. The cubic root of 220529 is about 60.4164545904.

The spelling of 220529 in words is "two hundred twenty thousand, five hundred twenty-nine".