220061217 has 8 divisors (see below), whose sum is σ = 306172224. Its totient is φ = 140328848.

The previous prime is 220061213. The next prime is 220061269. The reversal of 220061217 is 712160022.

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 220061217 - 2² = 220061213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220061193 and 220061202.

It is not an unprimeable number, because it can be changed into a prime (220061213) 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, 1594578 + ... + 1594715.

It is an arithmetic number, because the mean of its divisors is an integer number (38271528).

Almost surely, 2^220061217 is an apocalyptic number.

It is an amenable number.

220061217 is a deficient number, since it is larger than the sum of its proper divisors (86111007).

220061217 is a wasteful number, since it uses less digits than its factorization.

220061217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189319.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 220061217 is about 14834.4604553047. The cubic root of 220061217 is about 603.7370617359.

The spelling of 220061217 in words is "two hundred twenty million, sixty-one thousand, two hundred seventeen".