1922880 has 56 divisors (see below), whose sum is σ = 6108192. Its totient is φ = 512512.

The previous prime is 1922873. The next prime is 1922891. The reversal of 1922880 is 882291.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42 + ... + 1961.

2^1922880 is an apocalyptic number.

1922880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054096).

1922880 is an abundant number, since it is smaller than the sum of its proper divisors (4185312).

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

1922880 is a wasteful number, since it uses less digits than its factorization.

1922880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1922880 is about 1386.6794871202. The cubic root of 1922880 is about 124.3514138418.

The spelling of 1922880 in words is "one million, nine hundred twenty-two thousand, eight hundred eighty".