2218880 has 32 divisors (see below), whose sum is σ = 5306040. Its totient is φ = 887296.

The previous prime is 2218871. The next prime is 2218883. The reversal of 2218880 is 888122.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 2373.

2^2218880 is an apocalyptic number.

2218880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218880 is an abundant number, since it is smaller than the sum of its proper divisors (3087160).

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

2218880 is an equidigital number, since it uses as much as digits as its factorization.

2218880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2218880 is about 1489.5905477681. The cubic root of 2218880 is about 130.4301334253.

The spelling of 2218880 in words is "two million, two hundred eighteen thousand, eight hundred eighty".