1822080 has 128 divisors (see below), whose sum is σ = 6340320. Its totient is φ = 442368.

The previous prime is 1822063. The next prime is 1822091. The reversal of 1822080 is 802281.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24924 + ... + 24996.

2^1822080 is an apocalyptic number.

1822080 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 1822080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3170160).

1822080 is an abundant number, since it is smaller than the sum of its proper divisors (4518240).

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

1822080 is a wasteful number, since it uses less digits than its factorization.

1822080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1822080 is about 1349.8444354814. The cubic root of 1822080 is about 122.1394088539.

The spelling of 1822080 in words is "one million, eight hundred twenty-two thousand, eighty".