4553221005 has 56 divisors (see below), whose sum is σ = 8210747160. Its totient is φ = 2422846080.

The previous prime is 4553221003. The next prime is 4553221033. The reversal of 4553221005 is 5001223554.

It is a happy number.

4553221005 is a `hidden beast` number, since 4 + 553 + 2 + 2 + 100 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 872493444 + 3680727561 = 29538^2 + 60669^2 .

It is not a de Polignac number, because 4553221005 - 2¹ = 4553221003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4553221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4553221003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1970791 + ... + 1973099.

It is an arithmetic number, because the mean of its divisors is an integer number (146620485).

Almost surely, 2^4553221005 is an apocalyptic number.

4553221005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4553221005 is a deficient number, since it is larger than the sum of its proper divisors (3657526155).

4553221005 is an equidigital number, since it uses as much as digits as its factorization.

4553221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 4553221005 is about 67477.5592697306. The cubic root of 4553221005 is about 1657.4467213275.

Adding to 4553221005 its reverse (5001223554), we get a palindrome (9554444559).

The spelling of 4553221005 in words is "four billion, five hundred fifty-three million, two hundred twenty-one thousand, five".