221000219 has 8 divisors (see below), whose sum is σ = 241810608. Its totient is φ = 200309760.

The previous prime is 221000141. The next prime is 221000243. The reversal of 221000219 is 912000122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221000219 - 2¹⁶ = 220934683 is a prime.

It is a super-2 number, since 2×221000219² = 97682193596095922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221000197 and 221000206.

It is not an unprimeable number, because it can be changed into a prime (221000249) 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 in 7 ways as a sum of consecutive naturals, for example, 26102 + ... + 33515.

It is an arithmetic number, because the mean of its divisors is an integer number (30226326).

Almost surely, 2^221000219 is an apocalyptic number.

221000219 is a deficient number, since it is larger than the sum of its proper divisors (20810389).

221000219 is a wasteful number, since it uses less digits than its factorization.

221000219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59965.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 221000219 is about 14866.0761130838. The cubic root of 221000219 is about 604.5945593088.

The spelling of 221000219 in words is "two hundred twenty-one million, two hundred nineteen", and thus it is an aban number.