13622222 has 4 divisors (see below), whose sum is σ = 20433336. Its totient is φ = 6811110.

The previous prime is 13622177. The next prime is 13622269. The reversal of 13622222 is 22222631.

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

13622222 is a modest number, since divided by 2222 gives 1362 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 13622194 and 13622203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405554 + ... + 3405557.

It is an arithmetic number, because the mean of its divisors is an integer number (5108334).

Almost surely, 2^13622222 is an apocalyptic number.

13622222 is a deficient number, since it is larger than the sum of its proper divisors (6811114).

13622222 is an equidigital number, since it uses as much as digits as its factorization.

13622222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811113.

The product of its digits is 576, while the sum is 20.

The square root of 13622222 is about 3690.8294460731. The cubic root of 13622222 is about 238.8265754023.

Adding to 13622222 its reverse (22222631), we get a palindrome (35844853).

The spelling of 13622222 in words is "thirteen million, six hundred twenty-two thousand, two hundred twenty-two".