7016222232221 has 2 divisors, whose sum is σ = 7016222232222. Its totient is φ = 7016222232220.

The previous prime is 7016222232211. The next prime is 7016222232269. The reversal of 7016222232221 is 1222322226107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4650427555225 + 2365794676996 = 2156485^2 + 1538114^2 .

It is an emirp because it is prime and its reverse (1222322226107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7016222232221 - 2⁶ = 7016222232157 is a prime.

It is a super-3 number, since 3×7016222232221³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7016222232211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3508111116110 + 3508111116111.

It is an arithmetic number, because the mean of its divisors is an integer number (3508111116111).

Almost surely, 2^{7016222232221} is an apocalyptic number.

It is an amenable number.

7016222232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

7016222232221 is an equidigital number, since it uses as much as digits as its factorization.

7016222232221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 7016222232221 its reverse (1222322226107), we get a palindrome (8238544458328).

The spelling of 7016222232221 in words is "seven trillion, sixteen billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twenty-one".