6220650 has 48 divisors (see below), whose sum is σ = 15606144. Its totient is φ = 1639680.

The previous prime is 6220639. The next prime is 6220651. The reversal of 6220650 is 560226.

It is not an unprimeable number, because it can be changed into a prime (6220651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16767 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (325128).

Almost surely, 2^6220650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7803072).

6220650 is an abundant number, since it is smaller than the sum of its proper divisors (9385494).

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

6220650 is a wasteful number, since it uses less digits than its factorization.

6220650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6220650 is about 2494.1230923914. The cubic root of 6220650 is about 183.9127855422.

Adding to 6220650 its reverse (560226), we get a palindrome (6780876).

The spelling of 6220650 in words is "six million, two hundred twenty thousand, six hundred fifty".