2198319782 has 8 divisors (see below), whose sum is σ = 3297688200. Its totient is φ = 1099090384.

The previous prime is 2198319757. The next prime is 2198319787. The reversal of 2198319782 is 2879138912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2198319782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198319787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26069 + ... + 71247.

It is an arithmetic number, because the mean of its divisors is an integer number (412211025).

Almost surely, 2^2198319782 is an apocalyptic number.

2198319782 is a deficient number, since it is larger than the sum of its proper divisors (1099368418).

2198319782 is a wasteful number, since it uses less digits than its factorization.

2198319782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69510.

The product of its digits is 435456, while the sum is 50.

The square root of 2198319782 is about 46886.2429930145. The cubic root of 2198319782 is about 1300.2602599241.

The spelling of 2198319782 in words is "two billion, one hundred ninety-eight million, three hundred nineteen thousand, seven hundred eighty-two".