2196847388 has 12 divisors (see below), whose sum is σ = 3880413432. Its totient is φ = 1088157840.

The previous prime is 2196847267. The next prime is 2196847391. The reversal of 2196847388 is 8837486912.

It is a super-2 number, since 2×2196847388² = 9652276892324845088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2565983 + ... + 2566838.

It is an arithmetic number, because the mean of its divisors is an integer number (323367786).

Almost surely, 2^2196847388 is an apocalyptic number.

It is an amenable number.

2196847388 is a deficient number, since it is larger than the sum of its proper divisors (1683566044).

2196847388 is a wasteful number, since it uses less digits than its factorization.

2196847388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132932 (or 5132930 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The square root of 2196847388 is about 46870.5385930224. The cubic root of 2196847388 is about 1299.9698983168.

The spelling of 2196847388 in words is "two billion, one hundred ninety-six million, eight hundred forty-seven thousand, three hundred eighty-eight".