220218271 has 8 divisors (see below), whose sum is σ = 271037984. Its totient is φ = 174238560.

The previous prime is 220218263. The next prime is 220218281. The reversal of 220218271 is 172812022.

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

It is a cyclic number.

It is not a de Polignac number, because 220218271 - 2³ = 220218263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220218281) 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, 1209900 + ... + 1210081.

It is an arithmetic number, because the mean of its divisors is an integer number (33879748).

Almost surely, 2^220218271 is an apocalyptic number.

220218271 is a deficient number, since it is larger than the sum of its proper divisors (50819713).

220218271 is a wasteful number, since it uses less digits than its factorization.

220218271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420001.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 220218271 is about 14839.7530639832. The cubic root of 220218271 is about 603.8806532537.

The spelling of 220218271 in words is "two hundred twenty million, two hundred eighteen thousand, two hundred seventy-one".