2198319784 has 16 divisors (see below), whose sum is σ = 4122424800. Its totient is φ = 1099006512.

The previous prime is 2198319757. The next prime is 2198319787. The reversal of 2198319784 is 4879138912.

It is not an unprimeable number, because it can be changed into a prime (2198319787) 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 3 ways as a sum of consecutive naturals, for example, 61909 + ... + 90715.

It is an arithmetic number, because the mean of its divisors is an integer number (257651550).

Almost surely, 2^2198319784 is an apocalyptic number.

It is an amenable number.

2198319784 is a deficient number, since it is larger than the sum of its proper divisors (1924105016).

2198319784 is a wasteful number, since it uses less digits than its factorization.

2198319784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38352 (or 38348 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 2198319784 is about 46886.2430143427. The cubic root of 2198319784 is about 1300.2602603184.

The spelling of 2198319784 in words is "two billion, one hundred ninety-eight million, three hundred nineteen thousand, seven hundred eighty-four".