2225681100 has 54 divisors (see below), whose sum is σ = 6976276580. Its totient is φ = 593514720.

The previous prime is 2225681083. The next prime is 2225681111. The reversal of 2225681100 is 11865222.

It is a happy 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 17 ways as a sum of consecutive naturals, for example, 1235590 + ... + 1237389.

Almost surely, 2^2225681100 is an apocalyptic number.

2225681100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225681100 is an abundant number, since it is smaller than the sum of its proper divisors (4750595480).

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

2225681100 is a wasteful number, since it uses less digits than its factorization.

2225681100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472999 (or 2472989 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2225681100 is about 47177.1247534226. The cubic root of 2225681100 is about 1305.6325818512.

The spelling of 2225681100 in words is "two billion, two hundred twenty-five million, six hundred eighty-one thousand, one hundred".