10002222220 has 24 divisors (see below), whose sum is σ = 21015363600. Its totient is φ = 3998851392.

The previous prime is 10002222179. The next prime is 10002222253. The reversal of 10002222220 is 2222220001.

It is a self number, because there is not a number n which added to its sum of digits gives 10002222220.

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, 86775 + ... + 165934.

It is an arithmetic number, because the mean of its divisors is an integer number (875640150).

Almost surely, 2^10002222220 is an apocalyptic number.

10002222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002222220 is an abundant number, since it is smaller than the sum of its proper divisors (11013141380).

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

10002222220 is a wasteful number, since it uses less digits than its factorization.

10002222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254697 (or 254695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 10002222220 its reverse (2222220001), we get a palindrome (12224442221).

The spelling of 10002222220 in words is "ten billion, two million, two hundred twenty-two thousand, two hundred twenty".