1912022668 has 24 divisors (see below), whose sum is σ = 3523731120. Its totient is φ = 905287680.

The previous prime is 1912022663. The next prime is 1912022699. The reversal of 1912022668 is 8662202191.

It is not an unprimeable number, because it can be changed into a prime (1912022663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226980 + ... + 235252.

It is an arithmetic number, because the mean of its divisors is an integer number (146822130).

Almost surely, 2^1912022668 is an apocalyptic number.

It is an amenable number.

1912022668 is a deficient number, since it is larger than the sum of its proper divisors (1611708452).

1912022668 is a wasteful number, since it uses less digits than its factorization.

1912022668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337 (or 11335 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1912022668 is about 43726.6814199294. The cubic root of 1912022668 is about 1241.1692638959.

The spelling of 1912022668 in words is "one billion, nine hundred twelve million, twenty-two thousand, six hundred sixty-eight".