1922194541798 has 16 divisors (see below), whose sum is σ = 2893995189216. Its totient is φ = 957535305600.

The previous prime is 1922194541777. The next prime is 1922194541843. The reversal of 1922194541798 is 8971454912291.

It is a self number, because there is not a number n which added to its sum of digits gives 1922194541798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796061 + ... + 2116152.

It is an arithmetic number, because the mean of its divisors is an integer number (180874699326).

Almost surely, 2^{1922194541798} is an apocalyptic number.

1922194541798 is a deficient number, since it is larger than the sum of its proper divisors (971800647418).

1922194541798 is a wasteful number, since it uses less digits than its factorization.

1922194541798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913439.

The product of its digits is 13063680, while the sum is 62.

The spelling of 1922194541798 in words is "one trillion, nine hundred twenty-two billion, one hundred ninety-four million, five hundred forty-one thousand, seven hundred ninety-eight".