13668222 has 16 divisors (see below), whose sum is σ = 28279440. Its totient is φ = 4398912.

The previous prime is 13668169. The next prime is 13668227. The reversal of 13668222 is 22286631.

It is a self number, because there is not a number n which added to its sum of digits gives 13668222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13668227) 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, 39103 + ... + 39450.

It is an arithmetic number, because the mean of its divisors is an integer number (1767465).

Almost surely, 2^13668222 is an apocalyptic number.

13668222 is an abundant number, since it is smaller than the sum of its proper divisors (14611218).

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

13668222 is a wasteful number, since it uses less digits than its factorization.

13668222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78587.

The product of its digits is 6912, while the sum is 30.

The square root of 13668222 is about 3697.0558556776. The cubic root of 13668222 is about 239.0950993778.

The spelling of 13668222 in words is "thirteen million, six hundred sixty-eight thousand, two hundred twenty-two".