2194875830 has 32 divisors (see below), whose sum is σ = 4518478080. Its totient is φ = 751978080.

The previous prime is 2194875829. The next prime is 2194875833. The reversal of 2194875830 is 385784912.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194875833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91385 + ... + 112875.

It is an arithmetic number, because the mean of its divisors is an integer number (141202440).

Almost surely, 2^2194875830 is an apocalyptic number.

2194875830 is an abundant number, since it is smaller than the sum of its proper divisors (2323602250).

2194875830 is a wasteful number, since it uses less digits than its factorization.

2194875830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22964.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2194875830 is about 46849.5019183769. The cubic root of 2194875830 is about 1299.5808964590.

The spelling of 2194875830 in words is "two billion, one hundred ninety-four million, eight hundred seventy-five thousand, eight hundred thirty".