2220302500 has 120 divisors (see below), whose sum is σ = 5331637080. Its totient is φ = 803712000.

The previous prime is 2220302489. The next prime is 2220302503. The reversal of 2220302500 is 52030222.

It can be written as a sum of positive squares in 20 ways, for example, as 2136103524 + 84198976 = 46218^2 + 9176^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220302503) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1721856 + ... + 1723144.

It is an arithmetic number, because the mean of its divisors is an integer number (44430309).

Almost surely, 2^2220302500 is an apocalyptic number.

2220302500 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 2220302500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665818540).

2220302500 is an abundant number, since it is smaller than the sum of its proper divisors (3111334580).

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

2220302500 is a wasteful number, since it uses less digits than its factorization.

2220302500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2220302500 is about 47120.0859506856. The cubic root of 2220302500 is about 1304.5799992103.

Adding to 2220302500 its reverse (52030222), we get a palindrome (2272332722).

The spelling of 2220302500 in words is "two billion, two hundred twenty million, three hundred two thousand, five hundred".