220248291 has 8 divisors (see below), whose sum is σ = 293732944. Its totient is φ = 146797920.

The previous prime is 220248289. The next prime is 220248293. The reversal of 220248291 is 192842022.

It is an interprime number because it is at equal distance from previous prime (220248289) and next prime (220248293).

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

It is not a de Polignac number, because 220248291 - 2¹ = 220248289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220248293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21045 + ... + 29721.

It is an arithmetic number, because the mean of its divisors is an integer number (36716618).

Almost surely, 2^220248291 is an apocalyptic number.

220248291 is a deficient number, since it is larger than the sum of its proper divisors (73484653).

220248291 is an equidigital number, since it uses as much as digits as its factorization.

220248291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17141.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 220248291 is about 14840.7645018712. The cubic root of 220248291 is about 603.9080922024.

The spelling of 220248291 in words is "two hundred twenty million, two hundred forty-eight thousand, two hundred ninety-one".