13617222 has 8 divisors (see below), whose sum is σ = 27234456. Its totient is φ = 4539072.

The previous prime is 13617217. The next prime is 13617239. The reversal of 13617222 is 22271631.

13617222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13617222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13617192 and 13617201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134763 + ... + 1134774.

It is an arithmetic number, because the mean of its divisors is an integer number (3404307).

Almost surely, 2^13617222 is an apocalyptic number.

13617222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13617222 is a wasteful number, since it uses less digits than its factorization.

13617222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269542.

The product of its digits is 1008, while the sum is 24.

The square root of 13617222 is about 3690.1520293885. The cubic root of 13617222 is about 238.7973516088.

Adding to 13617222 its reverse (22271631), we get a palindrome (35888853).

The spelling of 13617222 in words is "thirteen million, six hundred seventeen thousand, two hundred twenty-two".