2197645112 has 32 divisors (see below), whose sum is σ = 4457149200. Its totient is φ = 1009818624.

The previous prime is 2197645111. The next prime is 2197645139. The reversal of 2197645112 is 2115467912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197645111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22937 + ... + 70152.

Almost surely, 2^2197645112 is an apocalyptic number.

It is an amenable number.

2197645112 is an abundant number, since it is smaller than the sum of its proper divisors (2259504088).

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

2197645112 is a wasteful number, since it uses less digits than its factorization.

2197645112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93335 (or 93331 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 2197645112 is about 46879.0476865732. The cubic root of 2197645112 is about 1300.1272285736.

The spelling of 2197645112 in words is "two billion, one hundred ninety-seven million, six hundred forty-five thousand, one hundred twelve".