16222102861 has 2 divisors, whose sum is σ = 16222102862. Its totient is φ = 16222102860.

The previous prime is 16222102859. The next prime is 16222102903. The reversal of 16222102861 is 16820122261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14138636836 + 2083466025 = 118906^2 + 45645^2 .

It is an emirp because it is prime and its reverse (16820122261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16222102861 - 2¹ = 16222102859 is a prime.

Together with 16222102859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16222102801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111051430 + 8111051431.

It is an arithmetic number, because the mean of its divisors is an integer number (8111051431).

Almost surely, 2^16222102861 is an apocalyptic number.

It is an amenable number.

16222102861 is a deficient number, since it is larger than the sum of its proper divisors (1).

16222102861 is an equidigital number, since it uses as much as digits as its factorization.

16222102861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 16222102861 in words is "sixteen billion, two hundred twenty-two million, one hundred two thousand, eight hundred sixty-one".