1979166922 has 4 divisors (see below), whose sum is σ = 2968750386. Its totient is φ = 989583460.

The previous prime is 1979166913. The next prime is 1979166953. The reversal of 1979166922 is 2296619791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1166973921 + 812193001 = 34161^2 + 28499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1979166922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494791729 + ... + 494791732.

Almost surely, 2^1979166922 is an apocalyptic number.

1979166922 is a deficient number, since it is larger than the sum of its proper divisors (989583464).

1979166922 is an equidigital number, since it uses as much as digits as its factorization.

1979166922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989583463.

The product of its digits is 734832, while the sum is 52.

The square root of 1979166922 is about 44487.8289198293. The cubic root of 1979166922 is about 1255.5310994787.

The spelling of 1979166922 in words is "one billion, nine hundred seventy-nine million, one hundred sixty-six thousand, nine hundred twenty-two".