2102220228 has 48 divisors (see below), whose sum is σ = 4968794880. Its totient is φ = 691680000.

The previous prime is 2102220227. The next prime is 2102220233. The reversal of 2102220228 is 8220222012.

It is not an unprimeable number, because it can be changed into a prime (2102220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800758 + ... + 803378.

It is an arithmetic number, because the mean of its divisors is an integer number (103516560).

Almost surely, 2^2102220228 is an apocalyptic number.

It is an amenable number.

2102220228 is an abundant number, since it is smaller than the sum of its proper divisors (2866574652).

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

2102220228 is a wasteful number, since it uses less digits than its factorization.

2102220228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3466 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2102220228 is about 45849.9752235484. The cubic root of 2102220228 is about 1281.0303040862.

The spelling of 2102220228 in words is "two billion, one hundred two million, two hundred twenty thousand, two hundred twenty-eight".