221120192 has 28 divisors (see below), whose sum is σ = 442005720. Its totient is φ = 109748736.

The previous prime is 221120161. The next prime is 221120197. The reversal of 221120192 is 291021122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221120197) 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 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 21377.

Almost surely, 2^221120192 is an apocalyptic number.

It is an amenable number.

221120192 is a deficient number, since it is larger than the sum of its proper divisors (220885528).

221120192 is a wasteful number, since it uses less digits than its factorization.

221120192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25368 (or 25358 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 221120192 is about 14870.1106922578. The cubic root of 221120192 is about 604.7039436672.

The spelling of 221120192 in words is "two hundred twenty-one million, one hundred twenty thousand, one hundred ninety-two".