2220480 has 112 divisors (see below), whose sum is σ = 7863840. Its totient is φ = 589824.

The previous prime is 2220479. The next prime is 2220497. The reversal of 2220480 is 840222.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 8512 + ... + 8768.

2^2220480 is an apocalyptic number.

2220480 is a gapful number since it is divisible by the number (20) 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 2220480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931920).

2220480 is an abundant number, since it is smaller than the sum of its proper divisors (5643360).

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

2220480 is a wasteful number, since it uses less digits than its factorization.

2220480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2220480 is about 1490.1275113224. The cubic root of 2220480 is about 130.4614762759.

It can be divided in two parts, 22 and 20480, that added together give a palindrome (20502).

The spelling of 2220480 in words is "two million, two hundred twenty thousand, four hundred eighty".