1993227766 has 12 divisors (see below), whose sum is σ = 2997235332. Its totient is φ = 994152516.

The previous prime is 1993227721. The next prime is 1993227767. The reversal of 1993227766 is 6677223991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993227767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1529071 + ... + 1530373.

It is an arithmetic number, because the mean of its divisors is an integer number (249769611).

Almost surely, 2^1993227766 is an apocalyptic number.

1993227766 is a deficient number, since it is larger than the sum of its proper divisors (1004007566).

1993227766 is an frugal number, since it uses more digits than its factorization.

1993227766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195 (or 1892 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The square root of 1993227766 is about 44645.5794676248. The cubic root of 1993227766 is about 1258.4973617302.

The spelling of 1993227766 in words is "one billion, nine hundred ninety-three million, two hundred twenty-seven thousand, seven hundred sixty-six".