6223222 has 16 divisors (see below), whose sum is σ = 9874800. Its totient is φ = 2933280.

The previous prime is 6223211. The next prime is 6223247. The reversal of 6223222 is 2223226.

It is a super-2 number, since 2×6223222² = 77456984122568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 6223222.

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, 14572 + ... + 14992.

It is an arithmetic number, because the mean of its divisors is an integer number (617175).

Almost surely, 2^6223222 is an apocalyptic number.

6223222 is a deficient number, since it is larger than the sum of its proper divisors (3651578).

6223222 is a wasteful number, since it uses less digits than its factorization.

6223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its digits is 576, while the sum is 19.

The square root of 6223222 is about 2494.6386511878. The cubic root of 6223222 is about 183.9381290088.

Adding to 6223222 its reverse (2223226), we get a palindrome (8446448).

It can be divided in two parts, 622 and 3222, that added together give a square (3844 = 62²).

The spelling of 6223222 in words is "six million, two hundred twenty-three thousand, two hundred twenty-two".