2220980 has 12 divisors (see below), whose sum is σ = 4664100. Its totient is φ = 888384.

The previous prime is 2220979. The next prime is 2221007. The reversal of 2220980 is 890222.

2220980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 1024144 = 1094^2 + 1012^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 55505 + ... + 55544.

It is an arithmetic number, because the mean of its divisors is an integer number (388675).

2^2220980 is an apocalyptic number.

2220980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220980 is an abundant number, since it is smaller than the sum of its proper divisors (2443120).

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

2220980 is a wasteful number, since it uses less digits than its factorization.

2220980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111058 (or 111056 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2220980 is about 1490.2952727564. The cubic root of 2220980 is about 130.4712678288.

The spelling of 2220980 in words is "two million, two hundred twenty thousand, nine hundred eighty".