2194078830 has 32 divisors (see below), whose sum is σ = 5273164800. Its totient is φ = 584268192.

The previous prime is 2194078823. The next prime is 2194078841. The reversal of 2194078830 is 388704912.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29290 + ... + 72429.

It is an arithmetic number, because the mean of its divisors is an integer number (164786400).

Almost surely, 2^2194078830 is an apocalyptic number.

2194078830 is an abundant number, since it is smaller than the sum of its proper divisors (3079085970).

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

2194078830 is a wasteful number, since it uses less digits than its factorization.

2194078830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102448.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2194078830 is about 46840.9951858412. The cubic root of 2194078830 is about 1299.4235767974.

The spelling of 2194078830 in words is "two billion, one hundred ninety-four million, seventy-eight thousand, eight hundred thirty".