220591122 has 8 divisors (see below), whose sum is σ = 441182256. Its totient is φ = 73530372.

The previous prime is 220591117. The next prime is 220591169. The reversal of 220591122 is 221195022.

It is a sphenic number, since it is the product of 3 distinct primes.

220591122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 220591092 and 220591101.

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, 18382588 + ... + 18382599.

It is an arithmetic number, because the mean of its divisors is an integer number (55147782).

Almost surely, 2^220591122 is an apocalyptic number.

220591122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220591122 is a wasteful number, since it uses less digits than its factorization.

220591122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36765192.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 220591122 is about 14852.3103253332. The cubic root of 220591122 is about 604.2212706975.

The spelling of 220591122 in words is "two hundred twenty million, five hundred ninety-one thousand, one hundred twenty-two".