2220202100 has 18 divisors (see below), whose sum is σ = 4817838774. Its totient is φ = 888080800.

The previous prime is 2220202093. The next prime is 2220202129. The reversal of 2220202100 is 12020222.

It can be written as a sum of positive squares in 3 ways, for example, as 75030244 + 2145171856 = 8662^2 + 46316^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11100911 + ... + 11101110.

Almost surely, 2^2220202100 is an apocalyptic number.

2220202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220202100 is an abundant number, since it is smaller than the sum of its proper divisors (2597636674).

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

2220202100 is a wasteful number, since it uses less digits than its factorization.

2220202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22202035 (or 22202028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2220202100 is about 47119.0205755595. The cubic root of 2220202100 is about 1304.5603349519.

Adding to 2220202100 its reverse (12020222), we get a palindrome (2232222322).

The spelling of 2220202100 in words is "two billion, two hundred twenty million, two hundred two thousand, one hundred".