220355 has 4 divisors (see below), whose sum is σ = 264432. Its totient is φ = 176280.

The previous prime is 220351. The next prime is 220357. The reversal of 220355 is 553022.

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

It is not a de Polignac number, because 220355 - 2² = 220351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220351) 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, 22031 + ... + 22040.

It is an arithmetic number, because the mean of its divisors is an integer number (66108).

2²²⁰³⁵⁵ is an apocalyptic number.

220355 is a deficient number, since it is larger than the sum of its proper divisors (44077).

220355 is an equidigital number, since it uses as much as digits as its factorization.

220355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44076.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 220355 is about 469.4198547143. The cubic root of 220355 is about 60.4005606427.

Adding to 220355 its reverse (553022), we get a palindrome (773377).

It can be divided in two parts, 220 and 355, that added together give a palindrome (575).

The spelling of 220355 in words is "two hundred twenty thousand, three hundred fifty-five".