16222334455465 has 8 divisors (see below), whose sum is σ = 19466959519368. Its totient is φ = 12977762115840.

The previous prime is 16222334455447. The next prime is 16222334455469. The reversal of 16222334455465 is 56455443322261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7989124862016 + 8233209593449 = 2826504^2 + 2869357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16222334455465 - 2⁴¹ = 14023311199913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16222334455469) 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 in 7 ways as a sum of consecutive naturals, for example, 12500976 + ... + 13737505.

It is an arithmetic number, because the mean of its divisors is an integer number (2433369939921).

Almost surely, 2^{16222334455465} is an apocalyptic number.

It is an amenable number.

16222334455465 is a deficient number, since it is larger than the sum of its proper divisors (3244625063903).

16222334455465 is a wasteful number, since it uses less digits than its factorization.

16222334455465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26362139.

The product of its digits is 20736000, while the sum is 52.

The spelling of 16222334455465 in words is "sixteen trillion, two hundred twenty-two billion, three hundred thirty-four million, four hundred fifty-five thousand, four hundred sixty-five".