6630822 has 60 divisors (see below), whose sum is σ = 16478748. Its totient is φ = 1976400.

The previous prime is 6630817. The next prime is 6630839. The reversal of 6630822 is 2280366.

6630822 is a `hidden beast` number, since 6 + 630 + 8 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 108672 + ... + 108732.

Almost surely, 2^6630822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6630822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8239374).

6630822 is an abundant number, since it is smaller than the sum of its proper divisors (9847926).

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

6630822 is a wasteful number, since it uses less digits than its factorization.

6630822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6630822 is about 2575.0382521431. The cubic root of 6630822 is about 187.8692881957.

The spelling of 6630822 in words is "six million, six hundred thirty thousand, eight hundred twenty-two".