2002222220 has 48 divisors (see below), whose sum is σ = 4392299520. Its totient is φ = 765226176.

The previous prime is 2002222169. The next prime is 2002222237. The reversal of 2002222220 is 222222002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2002222195 and 2002222204.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 560801 + ... + 564359.

It is an arithmetic number, because the mean of its divisors is an integer number (91506240).

Almost surely, 2^2002222220 is an apocalyptic number.

2002222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002222220 is an abundant number, since it is smaller than the sum of its proper divisors (2390077300).

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

2002222220 is a wasteful number, since it uses less digits than its factorization.

2002222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814 (or 4812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2002222220 is about 44746.1978273015. The cubic root of 2002222220 is about 1260.3875141324.

Adding to 2002222220 its reverse (222222002), we get a palindrome (2224444222).

The spelling of 2002222220 in words is "two billion, two million, two hundred twenty-two thousand, two hundred twenty".