16222928485 has 4 divisors (see below), whose sum is σ = 19467514188. Its totient is φ = 12978342784.

The previous prime is 16222928471. The next prime is 16222928489. The reversal of 16222928485 is 58482922261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58482922261 = 313 ⋅186846397.

It can be written as a sum of positive squares in 2 ways, for example, as 11820473284 + 4402455201 = 108722^2 + 66351^2 .

It is a cyclic number.

It is not a de Polignac number, because 16222928485 - 2⁷ = 16222928357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222928489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622292844 + ... + 1622292853.

It is an arithmetic number, because the mean of its divisors is an integer number (4866878547).

Almost surely, 2^16222928485 is an apocalyptic number.

It is an amenable number.

16222928485 is a deficient number, since it is larger than the sum of its proper divisors (3244585703).

16222928485 is an equidigital number, since it uses as much as digits as its factorization.

16222928485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244585702.

The product of its digits is 1105920, while the sum is 49.

The spelling of 16222928485 in words is "sixteen billion, two hundred twenty-two million, nine hundred twenty-eight thousand, four hundred eighty-five".