16222507643 has 2 divisors, whose sum is σ = 16222507644. Its totient is φ = 16222507642.

The previous prime is 16222507627. The next prime is 16222507813. The reversal of 16222507643 is 34670522261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16222507643 - 2⁴ = 16222507627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16222507597 and 16222507606.

It is not a weakly prime, because it can be changed into another prime (16222507603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111253821 + 8111253822.

It is an arithmetic number, because the mean of its divisors is an integer number (8111253822).

Almost surely, 2^16222507643 is an apocalyptic number.

16222507643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16222507643 is an equidigital number, since it uses as much as digits as its factorization.

16222507643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 16222507643 in words is "sixteen billion, two hundred twenty-two million, five hundred seven thousand, six hundred forty-three".