220441 has 8 divisors (see below), whose sum is σ = 245504. Its totient is φ = 196560.

The previous prime is 220421. The next prime is 220447. The reversal of 220441 is 144022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-220441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

220441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (220447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 676.

It is an arithmetic number, because the mean of its divisors is an integer number (30688).

2²²⁰⁴⁴¹ is an apocalyptic number.

It is an amenable number.

220441 is a deficient number, since it is larger than the sum of its proper divisors (25063).

220441 is a wasteful number, since it uses less digits than its factorization.

220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220441 is about 469.5114482097. The cubic root of 220441 is about 60.4084173173.

Adding to 220441 its reverse (144022), we get a palindrome (364463).

It can be divided in two parts, 220 and 441, that multiplied together give a triangular number (97020 = T₄₄₀).

The spelling of 220441 in words is "two hundred twenty thousand, four hundred forty-one", and thus it is an iban number.