2196841900 has 36 divisors (see below), whose sum is σ = 5200526520. Its totient is φ = 798851200.

The previous prime is 2196841853. The next prime is 2196841909. The reversal of 2196841900 is 91486912.

It is a super-2 number, since 2×2196841900² = 9652228667191220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2196841909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997465 + ... + 999664.

It is an arithmetic number, because the mean of its divisors is an integer number (144459070).

Almost surely, 2^2196841900 is an apocalyptic number.

2196841900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196841900 is an abundant number, since it is smaller than the sum of its proper divisors (3003684620).

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

2196841900 is a wasteful number, since it uses less digits than its factorization.

2196841900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997154 (or 1997147 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 2196841900 is about 46870.4800487471. The cubic root of 2196841900 is about 1299.9688158200.

The spelling of 2196841900 in words is "two billion, one hundred ninety-six million, eight hundred forty-one thousand, nine hundred".