220243259 has 2 divisors, whose sum is σ = 220243260. Its totient is φ = 220243258.

The previous prime is 220243241. The next prime is 220243319. The reversal of 220243259 is 952342022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220243259 is a prime.

It is not a weakly prime, because it can be changed into another prime (220243229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110121629 + 110121630.

It is an arithmetic number, because the mean of its divisors is an integer number (110121630).

Almost surely, 2^220243259 is an apocalyptic number.

220243259 is a deficient number, since it is larger than the sum of its proper divisors (1).

220243259 is an equidigital number, since it uses as much as digits as its factorization.

220243259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 220243259 is about 14840.5949678576. The cubic root of 220243259 is about 603.9034930163.

The spelling of 220243259 in words is "two hundred twenty million, two hundred forty-three thousand, two hundred fifty-nine".