6221222 has 16 divisors (see below), whose sum is σ = 10752000. Its totient is φ = 2644488.

The previous prime is 6221213. The next prime is 6221231. The reversal of 6221222 is 2221226.

It is an interprime number because it is at equal distance from previous prime (6221213) and next prime (6221231).

It is a self number, because there is not a number n which added to its sum of digits gives 6221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

Almost surely, 2^6221222 is an apocalyptic number.

6221222 is a deficient number, since it is larger than the sum of its proper divisors (4530778).

6221222 is a wasteful number, since it uses less digits than its factorization.

6221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635.

The product of its digits is 192, while the sum is 17.

The square root of 6221222 is about 2494.2377593165. The cubic root of 6221222 is about 183.9184224070.

Adding to 6221222 its reverse (2221226), we get a palindrome (8442448).

The spelling of 6221222 in words is "six million, two hundred twenty-one thousand, two hundred twenty-two".