220598247 has 4 divisors (see below), whose sum is σ = 294131000. Its totient is φ = 147065496.

The previous prime is 220598177. The next prime is 220598251. The reversal of 220598247 is 742895022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220598247 - 2¹⁴ = 220581863 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 (220598297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36766372 + ... + 36766377.

It is an arithmetic number, because the mean of its divisors is an integer number (73532750).

Almost surely, 2^220598247 is an apocalyptic number.

220598247 is a deficient number, since it is larger than the sum of its proper divisors (73532753).

220598247 is an equidigital number, since it uses as much as digits as its factorization.

220598247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73532752.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 220598247 is about 14852.5501850692. The cubic root of 220598247 is about 604.2277759913.

The spelling of 220598247 in words is "two hundred twenty million, five hundred ninety-eight thousand, two hundred forty-seven".