221303230219 has 2 divisors, whose sum is σ = 221303230220. Its totient is φ = 221303230218.

The previous prime is 221303230193. The next prime is 221303230231. The reversal of 221303230219 is 912032303122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221303230219 - 2³¹ = 219155746571 is a prime.

It is a super-2 number, since 2×221303230219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221303239219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110651615109 + 110651615110.

It is an arithmetic number, because the mean of its divisors is an integer number (110651615110).

Almost surely, 2^221303230219 is an apocalyptic number.

221303230219 is a deficient number, since it is larger than the sum of its proper divisors (1).

221303230219 is an equidigital number, since it uses as much as digits as its factorization.

221303230219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 221303230219 in words is "two hundred twenty-one billion, three hundred three million, two hundred thirty thousand, two hundred nineteen".