2225981168 has 40 divisors (see below), whose sum is σ = 4349541552. Its totient is φ = 1103551488.

The previous prime is 2225981089. The next prime is 2225981203. The reversal of 2225981168 is 8611895222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277896 + ... + 2278872.

Almost surely, 2^2225981168 is an apocalyptic number.

It is an amenable number.

2225981168 is a deficient number, since it is larger than the sum of its proper divisors (2123560384).

2225981168 is a wasteful number, since it uses less digits than its factorization.

2225981168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2043 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 2225981168 is about 47180.3048739620. The cubic root of 2225981168 is about 1305.6912546701.

The spelling of 2225981168 in words is "two billion, two hundred twenty-five million, nine hundred eighty-one thousand, one hundred sixty-eight".