43220323219 has 2 divisors, whose sum is σ = 43220323220. Its totient is φ = 43220323218.

The previous prime is 43220323213. The next prime is 43220323291. The reversal of 43220323219 is 91232302234.

Together with next prime (43220323291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43220323219 - 2²¹ = 43218226067 is a prime.

It is a super-2 number, since 2×43220323219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43220323213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610161609 + 21610161610.

It is an arithmetic number, because the mean of its divisors is an integer number (21610161610).

Almost surely, 2^43220323219 is an apocalyptic number.

43220323219 is a deficient number, since it is larger than the sum of its proper divisors (1).

43220323219 is an equidigital number, since it uses as much as digits as its factorization.

43220323219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 43220323219 in words is "forty-three billion, two hundred twenty million, three hundred twenty-three thousand, two hundred nineteen".