13444522216 has 64 divisors (see below), whose sum is σ = 27464346000. Its totient is φ = 6144983040.

The previous prime is 13444522213. The next prime is 13444522261. The reversal of 13444522216 is 61222544431.

It can be written as a sum of positive squares in 8 ways, for example, as 10433805316 + 3010716900 = 102146^2 + 54870^2 .

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 (13444522213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271640 + ... + 1282168.

Almost surely, 2^13444522216 is an apocalyptic number.

It is an amenable number.

13444522216 is an abundant number, since it is smaller than the sum of its proper divisors (14019823784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13444522216 is a wasteful number, since it uses less digits than its factorization.

13444522216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822 (or 10818 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The spelling of 13444522216 in words is "thirteen billion, four hundred forty-four million, five hundred twenty-two thousand, two hundred sixteen".