220003221209 has 2 divisors, whose sum is σ = 220003221210. Its totient is φ = 220003221208.

The previous prime is 220003221199. The next prime is 220003221227. The reversal of 220003221209 is 902122300022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219331115584 + 672105625 = 468328^2 + 25925^2 .

It is a cyclic number.

It is not a de Polignac number, because 220003221209 - 2¹² = 220003217113 is a prime.

It is a super-3 number, since 3×220003221209³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (220003220209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001610604 + 110001610605.

It is an arithmetic number, because the mean of its divisors is an integer number (110001610605).

Almost surely, 2^220003221209 is an apocalyptic number.

It is an amenable number.

220003221209 is a deficient number, since it is larger than the sum of its proper divisors (1).

220003221209 is an equidigital number, since it uses as much as digits as its factorization.

220003221209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 220003221209 in words is "two hundred twenty billion, three million, two hundred twenty-one thousand, two hundred nine".