2220504505 has 8 divisors (see below), whose sum is σ = 2665079424. Its totient is φ = 1776087600.

The previous prime is 2220504499. The next prime is 2220504541. The reversal of 2220504505 is 5054050222.

It is a happy number.

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

It is not a de Polignac number, because 2220504505 - 2⁹ = 2220503993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220504505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6001 + ... + 66910.

It is an arithmetic number, because the mean of its divisors is an integer number (333134928).

Almost surely, 2^2220504505 is an apocalyptic number.

It is an amenable number.

2220504505 is a deficient number, since it is larger than the sum of its proper divisors (444574919).

2220504505 is an equidigital number, since it uses as much as digits as its factorization.

2220504505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79007.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2220504505 is about 47122.2294145767. The cubic root of 2220504505 is about 1304.6195619412.

Adding to 2220504505 its reverse (5054050222), we get a palindrome (7274554727).

The spelling of 2220504505 in words is "two billion, two hundred twenty million, five hundred four thousand, five hundred five".