235221802219 has 2 divisors, whose sum is σ = 235221802220. Its totient is φ = 235221802218.

The previous prime is 235221802163. The next prime is 235221802223. The reversal of 235221802219 is 912208122532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235221802219 - 2¹⁹ = 235221277931 is a prime.

It is a super-2 number, since 2×235221802219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (235221802229) 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, 117610901109 + 117610901110.

It is an arithmetic number, because the mean of its divisors is an integer number (117610901110).

Almost surely, 2^235221802219 is an apocalyptic number.

235221802219 is a deficient number, since it is larger than the sum of its proper divisors (1).

235221802219 is an equidigital number, since it uses as much as digits as its factorization.

235221802219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 235221802219 in words is "two hundred thirty-five billion, two hundred twenty-one million, eight hundred two thousand, two hundred nineteen".