2196820884 has 12 divisors (see below), whose sum is σ = 5125915424. Its totient is φ = 732273624.

The previous prime is 2196820883. The next prime is 2196820889. The reversal of 2196820884 is 4880286912.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196820883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91534192 + ... + 91534215.

Almost surely, 2^2196820884 is an apocalyptic number.

It is an amenable number.

2196820884 is an abundant number, since it is smaller than the sum of its proper divisors (2929094540).

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

2196820884 is a wasteful number, since it uses less digits than its factorization.

2196820884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183068414 (or 183068412 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 2196820884 is about 46870.2558559264. The cubic root of 2196820884 is about 1299.9646704403.

The spelling of 2196820884 in words is "two billion, one hundred ninety-six million, eight hundred twenty thousand, eight hundred eighty-four".