2102198208 has 112 divisors (see below), whose sum is σ = 6082003584. Its totient is φ = 635530240.

The previous prime is 2102198191. The next prime is 2102198227. The reversal of 2102198208 is 8028912012.

It is a super-2 number, since 2×2102198208² = 8838474611436822528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175491 + ... + 1177277.

Almost surely, 2^2102198208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102198208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3041001792).

2102198208 is an abundant number, since it is smaller than the sum of its proper divisors (3979805376).

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

2102198208 is a wasteful number, since it uses less digits than its factorization.

2102198208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 2102198208 is about 45849.7350919283. The cubic root of 2102198208 is about 1281.0258312935.

The spelling of 2102198208 in words is "two billion, one hundred two million, one hundred ninety-eight thousand, two hundred eight".