13386222 has 40 divisors (see below), whose sum is σ = 31581000. Its totient is φ = 4226256.

The previous prime is 13386209. The next prime is 13386227. The reversal of 13386222 is 22268331.

13386222 is a `hidden beast` number, since 1 + 3 + 38 + 622 + 2 = 666.

13386222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13386227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 904 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (789525).

Almost surely, 2^13386222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13386222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15790500).

13386222 is an abundant number, since it is smaller than the sum of its proper divisors (18194778).

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

13386222 is a wasteful number, since it uses less digits than its factorization.

13386222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 4373 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13386222 is about 3658.7186281539. The cubic root of 13386222 is about 237.4393388935.

The spelling of 13386222 in words is "thirteen million, three hundred eighty-six thousand, two hundred twenty-two".