6216222 has 16 divisors (see below), whose sum is σ = 12768912. Its totient is φ = 2016000.

The previous prime is 6216191. The next prime is 6216227. The reversal of 6216222 is 2226126.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13779 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (798057).

Almost surely, 2^6216222 is an apocalyptic number.

6216222 is an abundant number, since it is smaller than the sum of its proper divisors (6552690).

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

6216222 is a wasteful number, since it uses less digits than its factorization.

6216222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28043.

The product of its digits is 576, while the sum is 21.

The square root of 6216222 is about 2493.2352476251. The cubic root of 6216222 is about 183.8691374176.

The spelling of 6216222 in words is "six million, two hundred sixteen thousand, two hundred twenty-two".