4223433021217 has 2 divisors, whose sum is σ = 4223433021218. Its totient is φ = 4223433021216.

The previous prime is 4223433021161. The next prime is 4223433021259. The reversal of 4223433021217 is 7121203343224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4182716238561 + 40716782656 = 2045169^2 + 201784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4223433021217 is a prime.

It is a super-2 number, since 2×4223433021217² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4223433021287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111716510608 + 2111716510609.

It is an arithmetic number, because the mean of its divisors is an integer number (2111716510609).

Almost surely, 2^{4223433021217} is an apocalyptic number.

It is an amenable number.

4223433021217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223433021217 is an equidigital number, since it uses as much as digits as its factorization.

4223433021217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 4223433021217 in words is "four trillion, two hundred twenty-three billion, four hundred thirty-three million, twenty-one thousand, two hundred seventeen".