16222715387 has 2 divisors, whose sum is σ = 16222715388. Its totient is φ = 16222715386.

The previous prime is 16222715363. The next prime is 16222715407. The reversal of 16222715387 is 78351722261.

It is a strong prime.

It is an emirp because it is prime and its reverse (78351722261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16222715387 - 2¹⁰ = 16222714363 is a prime.

It is not a weakly prime, because it can be changed into another prime (16222715087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111357693 + 8111357694.

It is an arithmetic number, because the mean of its divisors is an integer number (8111357694).

Almost surely, 2^16222715387 is an apocalyptic number.

16222715387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16222715387 is an equidigital number, since it uses as much as digits as its factorization.

16222715387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The spelling of 16222715387 in words is "sixteen billion, two hundred twenty-two million, seven hundred fifteen thousand, three hundred eighty-seven".