6622222 has 16 divisors (see below), whose sum is σ = 10515600. Its totient is φ = 3119040.

The previous prime is 6622211. The next prime is 6622283. The reversal of 6622222 is 2222266.

6622222 is a modest number, since divided by 2222 gives 662 as remainder.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6622193 and 6622202.

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, 8322 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (657225).

Almost surely, 2^6622222 is an apocalyptic number.

6622222 is a deficient number, since it is larger than the sum of its proper divisors (3893378).

6622222 is a wasteful number, since it uses less digits than its factorization.

6622222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its digits is 1152, while the sum is 22.

The square root of 6622222 is about 2573.3678322385. The cubic root of 6622222 is about 187.7880325646.

Adding to 6622222 its reverse (2222266), we get a palindrome (8844488).

The spelling of 6622222 in words is "six million, six hundred twenty-two thousand, two hundred twenty-two".