2194919384 has 16 divisors (see below), whose sum is σ = 4703398800. Its totient is φ = 940679712.

The previous prime is 2194919329. The next prime is 2194919399. The reversal of 2194919384 is 4839194912.

It is a super-2 number, since 2×2194919384² = 9635342204517878912, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 19597439 + ... + 19597550.

It is an arithmetic number, because the mean of its divisors is an integer number (293962425).

Almost surely, 2^2194919384 is an apocalyptic number.

It is an amenable number.

2194919384 is an abundant number, since it is smaller than the sum of its proper divisors (2508479416).

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

2194919384 is a wasteful number, since it uses less digits than its factorization.

2194919384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39195002 (or 39194998 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 2194919384 is about 46849.9667449188. The cubic root of 2194919384 is about 1299.5894924764.

The spelling of 2194919384 in words is "two billion, one hundred ninety-four million, nine hundred nineteen thousand, three hundred eighty-four".