2206891008 has 396 divisors, whose sum is σ = 7729750392. Its totient is φ = 627056640.

The previous prime is 2206891007. The next prime is 2206891061. The reversal of 2206891008 is 8001986022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206891007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12192678 + ... + 12192858.

Almost surely, 2^2206891008 is an apocalyptic number.

2206891008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206891008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3864875196).

2206891008 is an abundant number, since it is smaller than the sum of its proper divisors (5522859384).

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

2206891008 is an equidigital number, since it uses as much as digits as its factorization.

2206891008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2206891008 is about 46977.5585572516. The cubic root of 2206891008 is about 1301.9479687844.

The spelling of 2206891008 in words is "two billion, two hundred six million, eight hundred ninety-one thousand, eight".