220375 has 16 divisors (see below), whose sum is σ = 288288. Its totient is φ = 168000.

The previous prime is 220373. The next prime is 220391. The reversal of 220375 is 573022.

It is a happy number.

220375 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 220375 - 2¹ = 220373 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 (220373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2²²⁰³⁷⁵ is an apocalyptic number.

220375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220375 is a deficient number, since it is larger than the sum of its proper divisors (67913).

220375 is an equidigital number, since it uses as much as digits as its factorization.

220375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 220375 is about 469.4411571220. The cubic root of 220375 is about 60.4023879587.

Adding to 220375 its reverse (573022), we get a palindrome (793397).

It can be divided in two parts, 2203 and 75, that added together give a triangular number (2278 = T₆₇).

The spelling of 220375 in words is "two hundred twenty thousand, three hundred seventy-five".