1922888 has 16 divisors (see below), whose sum is σ = 3933360. Its totient is φ = 874000.

The previous prime is 1922873. The next prime is 1922891. The reversal of 1922888 is 8882291.

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 3 ways as a sum of consecutive naturals, for example, 10838 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (245835).

2^1922888 is an apocalyptic number.

It is an amenable number.

1922888 is an abundant number, since it is smaller than the sum of its proper divisors (2010472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1922888 is a wasteful number, since it uses less digits than its factorization.

1922888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868 (or 21864 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 1922888 is about 1386.6823717059. The cubic root of 1922888 is about 124.3515862932.

The spelling of 1922888 in words is "one million, nine hundred twenty-two thousand, eight hundred eighty-eight".