221120332 has 12 divisors (see below), whose sum is σ = 387351160. Its totient is φ = 110448576.

The previous prime is 221120299. The next prime is 221120351. The reversal of 221120332 is 233021122.

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 3 ways as a sum of consecutive naturals, for example, 23358 + ... + 31429.

Almost surely, 2^221120332 is an apocalyptic number.

It is an amenable number.

221120332 is a deficient number, since it is larger than the sum of its proper divisors (166230828).

221120332 is a wasteful number, since it uses less digits than its factorization.

221120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55800 (or 55798 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221120332 is about 14870.1153996867. The cubic root of 221120332 is about 604.7040712879.

Adding to 221120332 its reverse (233021122), we get a palindrome (454141454).

The spelling of 221120332 in words is "two hundred twenty-one million, one hundred twenty thousand, three hundred thirty-two".