6221250222 has 64 divisors (see below), whose sum is σ = 13887065088. Its totient is φ = 1841840000.

The previous prime is 6221250173. The next prime is 6221250239. The reversal of 6221250222 is 2220521226.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6221250192 and 6221250201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2173072 + ... + 2175932.

It is an arithmetic number, because the mean of its divisors is an integer number (216985392).

Almost surely, 2^6221250222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6221250222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6943532544).

6221250222 is an abundant number, since it is smaller than the sum of its proper divisors (7665814866).

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

6221250222 is a wasteful number, since it uses less digits than its factorization.

6221250222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 6221250222 is about 78874.9023581012. The cubic root of 6221250222 is about 1839.1870051625.

Adding to 6221250222 its reverse (2220521226), we get a palindrome (8441771448).

The spelling of 6221250222 in words is "six billion, two hundred twenty-one million, two hundred fifty thousand, two hundred twenty-two".