2220580 has 12 divisors (see below), whose sum is σ = 4663260. Its totient is φ = 888224.

The previous prime is 2220553. The next prime is 2220643. The reversal of 2220580 is 850222.

It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 1790244 = 656^2 + 1338^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55495 + ... + 55534.

It is an arithmetic number, because the mean of its divisors is an integer number (388605).

2^2220580 is an apocalyptic number.

2220580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220580 is an abundant number, since it is smaller than the sum of its proper divisors (2442680).

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

2220580 is a wasteful number, since it uses less digits than its factorization.

2220580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111038 (or 111036 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2220580 is about 1490.1610651201. The cubic root of 2220580 is about 130.4634347040.

It can be divided in two parts, 22 and 20580, that added together give a palindrome (20602).

The spelling of 2220580 in words is "two million, two hundred twenty thousand, five hundred eighty".