2011922 has 16 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 905040.

The previous prime is 2011913. The next prime is 2011939. The reversal of 2011922 is 2291102.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011922.

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 in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

2^2011922 is an apocalyptic number.

2011922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2011922 is a deficient number, since it is larger than the sum of its proper divisors (1314478).

2011922 is a wasteful number, since it uses less digits than its factorization.

2011922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2011922 is about 1418.4223630499. The cubic root of 2011922 is about 126.2419555048.

The spelling of 2011922 in words is "two million, eleven thousand, nine hundred twenty-two".