220147 has 2 divisors, whose sum is σ = 220148. Its totient is φ = 220146.

The previous prime is 220141. The next prime is 220151. The reversal of 220147 is 741022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220147 - 2⁷ = 220019 is a prime.

220147 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 220147.

It is not a weakly prime, because it can be changed into another prime (220141) 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 as a sum of consecutive naturals, namely, 110073 + 110074.

It is an arithmetic number, because the mean of its divisors is an integer number (110074).

2²²⁰¹⁴⁷ is an apocalyptic number.

220147 is a deficient number, since it is larger than the sum of its proper divisors (1).

220147 is an equidigital number, since it uses as much as digits as its factorization.

220147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 220147 is about 469.1982523412. The cubic root of 220147 is about 60.3815499983.

Adding to 220147 its reverse (741022), we get a palindrome (961169).

The spelling of 220147 in words is "two hundred twenty thousand, one hundred forty-seven", and thus it is an iban number.