220217047 has 8 divisors (see below), whose sum is σ = 221450112. Its totient is φ = 218988000.

The previous prime is 220217029. The next prime is 220217057. The reversal of 220217047 is 740712022.

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 220217047 - 2¹¹ = 220214999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220217057) 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, 221722 + ... + 222712.

It is an arithmetic number, because the mean of its divisors is an integer number (27681264).

Almost surely, 2^220217047 is an apocalyptic number.

220217047 is a deficient number, since it is larger than the sum of its proper divisors (1233065).

220217047 is an equidigital number, since it uses as much as digits as its factorization.

220217047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 220217047 is about 14839.7118233475. The cubic root of 220217047 is about 603.8795344375.

Adding to 220217047 its reverse (740712022), we get a palindrome (960929069).

The spelling of 220217047 in words is "two hundred twenty million, two hundred seventeen thousand, forty-seven".