2180199019822 has 16 divisors (see below), whose sum is σ = 3463534266192. Its totient is φ = 1025719643520.

The previous prime is 2180199019819. The next prime is 2180199019861. The reversal of 2180199019822 is 2289109910812.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2180199019822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7873329 + ... + 8145532.

It is an arithmetic number, because the mean of its divisors is an integer number (216470891637).

Almost surely, 2^{2180199019822} is an apocalyptic number.

2180199019822 is a deficient number, since it is larger than the sum of its proper divisors (1283335246370).

2180199019822 is a wasteful number, since it uses less digits than its factorization.

2180199019822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16022883.

The product of its (nonzero) digits is 373248, while the sum is 52.

The spelling of 2180199019822 in words is "two trillion, one hundred eighty billion, one hundred ninety-nine million, nineteen thousand, eight hundred twenty-two".