220348211 has 8 divisors (see below), whose sum is σ = 235276800. Its totient is φ = 205865352.

The previous prime is 220348159. The next prime is 220348213. The reversal of 220348211 is 112843022.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220348211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220348213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110411 + ... + 112388.

It is an arithmetic number, because the mean of its divisors is an integer number (29409600).

Almost surely, 2^220348211 is an apocalyptic number.

220348211 is a deficient number, since it is larger than the sum of its proper divisors (14928589).

220348211 is a wasteful number, since it uses less digits than its factorization.

220348211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222865.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 220348211 is about 14844.1305235436. The cubic root of 220348211 is about 603.9994033516. Note that the first 3 decimals are identical.

The spelling of 220348211 in words is "two hundred twenty million, three hundred forty-eight thousand, two hundred eleven".