220750 has 16 divisors (see below), whose sum is σ = 413712. Its totient is φ = 88200.

The previous prime is 220747. The next prime is 220757. The reversal of 220750 is 57022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (25857).

2²²⁰⁷⁵⁰ is an apocalyptic number.

220750 is a deficient number, since it is larger than the sum of its proper divisors (192962).

220750 is an equidigital number, since it uses as much as digits as its factorization.

220750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 220750 is about 469.8403984333. The cubic root of 220750 is about 60.4366296826.

Adding to 220750 its reverse (57022), we get a palindrome (277772).

The spelling of 220750 in words is "two hundred twenty thousand, seven hundred fifty".