1992189422 has 8 divisors (see below), whose sum is σ = 3009783000. Its totient is φ = 988928424.

The previous prime is 1992189379. The next prime is 1992189427. The reversal of 1992189422 is 2249812991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992189427) 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, 3582797 + ... + 3583352.

It is an arithmetic number, because the mean of its divisors is an integer number (376222875).

Almost surely, 2^1992189422 is an apocalyptic number.

1992189422 is a deficient number, since it is larger than the sum of its proper divisors (1017593578).

1992189422 is a wasteful number, since it uses less digits than its factorization.

1992189422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166290.

The product of its digits is 186624, while the sum is 47.

The square root of 1992189422 is about 44633.9492090942. The cubic root of 1992189422 is about 1258.2787915992.

The spelling of 1992189422 in words is "one billion, nine hundred ninety-two million, one hundred eighty-nine thousand, four hundred twenty-two".