220022002221 has 8 divisors (see below), whose sum is σ = 335271622464. Its totient is φ = 125726858400.

The previous prime is 220022002199. The next prime is 220022002231. The reversal of 220022002221 is 122200220022.

220022002221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220022002221 - 2⁹ = 220022001709 is a prime.

It is a super-2 number, since 2×220022002221² (a number of 23 digits) contains 22 as substring.

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 220022002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238619080 + ... + 5238619121.

It is an arithmetic number, because the mean of its divisors is an integer number (41908952808).

Almost surely, 2^220022002221 is an apocalyptic number.

220022002221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220022002221 is a deficient number, since it is larger than the sum of its proper divisors (115249620243).

220022002221 is a wasteful number, since it uses less digits than its factorization.

220022002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477238211.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220022002221 its reverse (122200220022), we get a palindrome (342222222243).

The spelling of 220022002221 in words is "two hundred twenty billion, twenty-two million, two thousand, two hundred twenty-one".