2197205863 has 8 divisors (see below), whose sum is σ = 2214767520. Its totient is φ = 2179666560.

The previous prime is 2197205849. The next prime is 2197205929. The reversal of 2197205863 is 3685027912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2197205863 - 2²⁵ = 2163651431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197205833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231118 + ... + 240436.

It is an arithmetic number, because the mean of its divisors is an integer number (276845940).

Almost surely, 2^2197205863 is an apocalyptic number.

2197205863 is a deficient number, since it is larger than the sum of its proper divisors (17561657).

2197205863 is a wasteful number, since it uses less digits than its factorization.

2197205863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2197205863 is about 46874.3625343321. The cubic root of 2197205863 is about 1300.0406028738.

The spelling of 2197205863 in words is "two billion, one hundred ninety-seven million, two hundred five thousand, eight hundred sixty-three".