2199992861 has 8 divisors (see below), whose sum is σ = 2400457248. Its totient is φ = 1999606000.

The previous prime is 2199992857. The next prime is 2199992863. The reversal of 2199992861 is 1682999912.

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 2199992861 - 2² = 2199992857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2199992797 and 2199992806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199992863) 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 7 ways as a sum of consecutive naturals, for example, 51131 + ... + 83751.

It is an arithmetic number, because the mean of its divisors is an integer number (300057156).

Almost surely, 2^2199992861 is an apocalyptic number.

It is an amenable number.

2199992861 is a deficient number, since it is larger than the sum of its proper divisors (200464387).

2199992861 is a wasteful number, since it uses less digits than its factorization.

2199992861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38763.

The product of its digits is 1259712, while the sum is 56.

The square root of 2199992861 is about 46904.0814961769. The cubic root of 2199992861 is about 1300.5900400435.

The spelling of 2199992861 in words is "two billion, one hundred ninety-nine million, nine hundred ninety-two thousand, eight hundred sixty-one".