2206865892 has 96 divisors (see below), whose sum is σ = 6428298240. Its totient is φ = 572469120.

The previous prime is 2206865891. The next prime is 2206865911. The reversal of 2206865892 is 2985686022.

It is not an unprimeable number, because it can be changed into a prime (2206865891) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1347298 + ... + 1348934.

It is an arithmetic number, because the mean of its divisors is an integer number (66961440).

Almost surely, 2^2206865892 is an apocalyptic number.

2206865892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206865892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214149120).

2206865892 is an abundant number, since it is smaller than the sum of its proper divisors (4221432348).

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

2206865892 is a wasteful number, since it uses less digits than its factorization.

2206865892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 2206865892 is about 46977.2912373628. The cubic root of 2206865892 is about 1301.9430297323.

The spelling of 2206865892 in words is "two billion, two hundred six million, eight hundred sixty-five thousand, eight hundred ninety-two".