2196821036 has 12 divisors (see below), whose sum is σ = 3845373000. Its totient is φ = 1098143040.

The previous prime is 2196821027. The next prime is 2196821051. The reversal of 2196821036 is 6301286912.

It is a happy number.

It is a super-2 number, since 2×2196821036² = 9652045328424226592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47786 + ... + 81713.

It is an arithmetic number, because the mean of its divisors is an integer number (320447750).

Almost surely, 2^2196821036 is an apocalyptic number.

It is an amenable number.

2196821036 is a deficient number, since it is larger than the sum of its proper divisors (1648551964).

2196821036 is a wasteful number, since it uses less digits than its factorization.

2196821036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133744 (or 133742 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2196821036 is about 46870.2574774238. The cubic root of 2196821036 is about 1299.9647004222.

The spelling of 2196821036 in words is "two billion, one hundred ninety-six million, eight hundred twenty-one thousand, thirty-six".