13653444222 has 72 divisors (see below), whose sum is σ = 33395275368. Its totient is φ = 4025561760.

The previous prime is 13653444199. The next prime is 13653444227. The reversal of 13653444222 is 22244435631.

13653444222 is a `hidden beast` number, since 1 + 365 + 34 + 44 + 222 = 666.

It is a super-3 number, since 3×13653444222³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13653444227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4128 + ... + 165299.

It is an arithmetic number, because the mean of its divisors is an integer number (463823269).

Almost surely, 2^13653444222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13653444222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16697637684).

13653444222 is an abundant number, since it is smaller than the sum of its proper divisors (19741831146).

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

13653444222 is a wasteful number, since it uses less digits than its factorization.

13653444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169494 (or 169480 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 13653444222 its reverse (22244435631), we get a palindrome (35897879853).

The spelling of 13653444222 in words is "thirteen billion, six hundred fifty-three million, four hundred forty-four thousand, two hundred twenty-two".