220875 has 32 divisors (see below), whose sum is σ = 399360. Its totient is φ = 108000.

The previous prime is 220873. The next prime is 220877. The reversal of 220875 is 578022.

It is an interprime number because it is at equal distance from previous prime (220873) and next prime (220877).

It is not a de Polignac number, because 220875 - 2¹ = 220873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7110 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (12480).

2²²⁰⁸⁷⁵ is an apocalyptic number.

220875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220875 is a deficient number, since it is larger than the sum of its proper divisors (178485).

220875 is a wasteful number, since it uses less digits than its factorization.

220875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 220875 is about 469.9734035028. The cubic root of 220875 is about 60.4480349725.

Adding to 220875 its reverse (578022), we get a palindrome (798897).

It can be divided in two parts, 2208 and 75, that multiplied together give a triangular number (165600 = T₅₇₅).

The spelling of 220875 in words is "two hundred twenty thousand, eight hundred seventy-five".