6422550 has 48 divisors (see below), whose sum is σ = 16284672. Its totient is φ = 1674400.

The previous prime is 6422539. The next prime is 6422557. The reversal of 6422550 is 552246.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6422550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422557) 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, 6595 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^6422550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8142336).

6422550 is an abundant number, since it is smaller than the sum of its proper divisors (9862122).

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

6422550 is a wasteful number, since it uses less digits than its factorization.

6422550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 6422550 is about 2534.2750442681. The cubic root of 6422550 is about 185.8813557155.

Adding to 6422550 its reverse (552246), we get a palindrome (6974796).

The spelling of 6422550 in words is "six million, four hundred twenty-two thousand, five hundred fifty".