2216204452069 has 2 divisors, whose sum is σ = 2216204452070. Its totient is φ = 2216204452068.

The previous prime is 2216204452031. The next prime is 2216204452079. The reversal of 2216204452069 is 9602544026122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1534035827844 + 682168624225 = 1238562^2 + 825935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216204452069 - 2¹³ = 2216204443877 is a prime.

It is a super-2 number, since 2×2216204452069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216204452009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108102226034 + 1108102226035.

It is an arithmetic number, because the mean of its divisors is an integer number (1108102226035).

Almost surely, 2^{2216204452069} is an apocalyptic number.

It is an amenable number.

2216204452069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216204452069 is an equidigital number, since it uses as much as digits as its factorization.

2216204452069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 2216204452069 in words is "two trillion, two hundred sixteen billion, two hundred four million, four hundred fifty-two thousand, sixty-nine".