22002200220 has 384 divisors, whose sum is σ = 84960110592. Its totient is φ = 4105728000.

The previous prime is 22002200197. The next prime is 22002200221. The reversal of 22002200220 is 2200220022.

It is a Harshad number since it is a multiple of its sum of digits (12).

22002200220 is a modest number, since divided by 2200220 gives 220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22002200196 and 22002200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002200221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2217270 + ... + 2227170.

It is an arithmetic number, because the mean of its divisors is an integer number (221250288).

Almost surely, 2^22002200220 is an apocalyptic number.

22002200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42480055296).

22002200220 is an abundant number, since it is smaller than the sum of its proper divisors (62957910372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002200220 is a wasteful number, since it uses less digits than its factorization.

22002200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9981 (or 9979 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22002200220 its reverse (2200220022), we get a palindrome (24202420242).

It can be divided in two parts, 22002 and 200220, that added together give a palindrome (222222).

The spelling of 22002200220 in words is "twenty-two billion, two million, two hundred thousand, two hundred twenty".