6220566 has 48 divisors (see below), whose sum is σ = 14910480. Its totient is φ = 1858560.

The previous prime is 6220519. The next prime is 6220567. The reversal of 6220566 is 6650226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220567) 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, 17446 + ... + 17798.

It is an arithmetic number, because the mean of its divisors is an integer number (310635).

Almost surely, 2^6220566 is an apocalyptic number.

6220566 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7455240).

6220566 is an abundant number, since it is smaller than the sum of its proper divisors (8689914).

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

6220566 is a wasteful number, since it uses less digits than its factorization.

6220566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6220566 is about 2494.1062527487. The cubic root of 6220566 is about 183.9119577218.

It can be divided in two parts, 6220 and 566, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 6220566 in words is "six million, two hundred twenty thousand, five hundred sixty-six".