1922168 has 8 divisors (see below), whose sum is σ = 3604080. Its totient is φ = 961080.

The previous prime is 1922153. The next prime is 1922209. The reversal of 1922168 is 8612291.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1922168.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120128 + ... + 120143.

It is an arithmetic number, because the mean of its divisors is an integer number (450510).

2^1922168 is an apocalyptic number.

It is an amenable number.

1922168 is a deficient number, since it is larger than the sum of its proper divisors (1681912).

1922168 is a wasteful number, since it uses less digits than its factorization.

1922168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240277 (or 240273 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 1922168 is about 1386.4227349550. The cubic root of 1922168 is about 124.3360637529.

The spelling of 1922168 in words is "one million, nine hundred twenty-two thousand, one hundred sixty-eight".