16222520266 has 16 divisors (see below), whose sum is σ = 26393600520. Its totient is φ = 7447928320.

The previous prime is 16222520239. The next prime is 16222520267. The reversal of 16222520266 is 66202522261.

It can be written as a sum of positive squares in 4 ways, for example, as 6835817041 + 9386703225 = 82679^2 + 96885^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (16222520267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5817301 + ... + 5820088.

Almost surely, 2^16222520266 is an apocalyptic number.

16222520266 is a deficient number, since it is larger than the sum of its proper divisors (10171080254).

16222520266 is a wasteful number, since it uses less digits than its factorization.

16222520266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11637449.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 16222520266 in words is "sixteen billion, two hundred twenty-two million, five hundred twenty thousand, two hundred sixty-six".