13106222 has 4 divisors (see below), whose sum is σ = 19659336. Its totient is φ = 6553110.

The previous prime is 13106209. The next prime is 13106227. The reversal of 13106222 is 22260131.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13106222² = 343546110226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13106222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13106227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276554 + ... + 3276557.

It is an arithmetic number, because the mean of its divisors is an integer number (4914834).

Almost surely, 2^13106222 is an apocalyptic number.

13106222 is a deficient number, since it is larger than the sum of its proper divisors (6553114).

13106222 is an equidigital number, since it uses as much as digits as its factorization.

13106222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553113.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13106222 is about 3620.2516487117. The cubic root of 13106222 is about 235.7721515373.

Adding to 13106222 its reverse (22260131), we get a palindrome (35366353).

The spelling of 13106222 in words is "thirteen million, one hundred six thousand, two hundred twenty-two".